Guaranteed Asphalt NBS Specifications 2013 by Ricky O'Neill

NBS SPECIFICATIONS J21 115 a – b

page 2

125 a – e

page 3

135 a – e

page 4

155 a – p

page 5-7

J31 100

page 8

Page 1|8

115 WARM ROOFS 115 a

GuaraFLEX Asphalt (Warm Roofing) Polymer modified asphalt warm roof system for new build or refurbishment (concrete decks).

115 b

GuaraFLEX Asphalt (Warm Roofing) Polymer modified asphalt warm roof system for new build or refurbishment (timber or metal decks).

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125 INVERTED ROOFS 125 a

GuaraFLEX Asphalt (Inverted Roofing) Polymer modified asphalt inverted roof system for new build or refurbishment (concrete decks with falls).

125 b

GuaraFLEX Asphalt (Inverted Roofing) Polymer modified asphalt inverted roof system for new build or refurbishment (concrete deck flat with no falls).

125 c

GuaraFLEX Asphalt (Inverted Roofing) Polymer modified asphalt triple protection inverted roof system for new build/refurbishment (concrete deck flat or to falls - total bonding).

125 d

GuaraFLEX Asphalt (Inverted Roof Garden Systems) Polymer modified asphalt warm roof system for new build or refurbishment (concrete decks) for roof gardens, podiums and the like, hard landscaping, brick/concrete planters, hard pavings.

125 e

GuaraFLEX Asphalt (Inverted Green Roof System) Polymer modified asphalt inverted roof system for new build or refurbishment (concrete decks) for green roofs, podiums and the like.

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135 COLD ROOFS 135 a

GuaraFLEX Asphalt (Cold Roofing) Polymer modified asphalt cold roof system for new build or refurbishment (concrete decks).

135 b

GuaraFLEX Asphalt (Cold Roofing) Polymer modified asphalt cold roof system for new build or refurbishment (timber or metal decks).

135 c

GuaraFLEX Asphalt (Cold Roofing) Polymer modified asphalt cold roof system for new build (concrete deck flat or to falls - total bonding).

135 d

GuaraFLEX Asphalt (Buried roof garden uninsulated) Polymer modified asphalt cold roof garden system for new build or refurbishment (concrete decks) for roof gardens, podiums and the like, hard landscaping, brick/concrete planters, hard pavings.

135 e

GuaraFLEX Asphalt (Buried green roof uninsulated) Polymer modified asphalt cold green roof system for new build or refurbishment (concrete decks) for green roofs, podiums and the like.

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155 PAVING - CAR PARKS COLD 155 A

GuaraFLEX Asphalt (Internal Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (unheated) internal decks not subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle.

155 B

GuaraFLEX Asphalt (Internal Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (heated) internal decks, not subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle.

155 C

GuaraFLEX Asphalt (Internal Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (unheated) internal decks, subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle.

155 D

GuaraFLEX Asphalt (Internal Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (heated) internal decks, subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle.

155 E 2/3/4/5/6

GuaraFLEX Asphalt (External Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated external decks for multi-storey roof top car parks, for cars and light commercial vehicles, maximum wheel load 2 tonne per axle.

155 F 2/3/4/5

GuaraFLEX Asphalt (External Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated external elevated decks for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle.

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155 RAMPS - COLD 155 G

GuaraFLEX Asphalt (Internal/External Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). External ramps not exceeding 1 to 10 gradient, uninsulated for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle.

155 H

GuaraFLEX Asphalt (Internal/External Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). External ramps not exceeding 1 in 10 gradient for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle.

155 WARM ROOF INSULATED CAR PARKS 155 I

GuaraFLEX Asphalt (Internal/External Insulated Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle.

155 J

GuaraFLEX Asphalt (Internal/External Insulated Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle.

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155 WARM DECK - INSULATED DRY SYSTEM 155 K

GuaraFLEX Asphalt (Internal/External Insulated Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for car and light commercial vehicles, maximum wheel load 2 tonnes per axle - DRY FAST TRACK SYSTEM.

155 L

GuaraFLEX Asphalt (Internal/External Insulated Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for heavy goods vehicles, maximum wheel load 10.5 tonnes per axle - DRY FAST TRACK SYSTEM.

155 M

GuaraFLEX Asphalt (Covered Insulated Waterproof Paving) Polymer modified asphalt system for new build or refurbishment (concrete decks). Covered insulated decks for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle â&#x20AC;&#x201C; DRY FAST TRACK SYSTEM.

155 COLD ROOFS, BALCONIES, PODIUMS 155 N

GuaraFLEX Asphalt (Cold Roof Waterproof Paving) Polymer modified asphalt cold roof system for new build or refurbishment (concrete decks), podiums, pedestrian access areas, balconies, etc.

155 WARM ROOFS, BALCONIES, PODIUMS 155 P

GuaraFLEX Asphalt (Warm Roof Waterproof Paving) Polymer modified asphalt warm roof system for new build or refurbishment (concrete decks), podiums, pedestrian access areas, balconies, etc.

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J31 100 INVERTED & COLD ROOFS, BALCONIES, PODIUMS 100

GuaraTEC Rubberised Hot Melt (Fully Bonded Waterproofing) Polymer modified rubberised hot melt roof system for new build or refurbishment (concrete, timber or metal decks), podiums, pedestrian access areas, balconies, etc.

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Clauses in NBS Format Product Information

INTERSTITIAL CONDENSATION 220  

225

AVOIDANCE OF INTERSTITIAL CONDENSATION IN WARM AND INVERTED ROOFS Interstitial condensation risk of roof construction: Assess as recommended in BS 6229 Basic design data:  Outdoor notional psychometric conditions, winter: Temperature: -5oC Relative humidity: 90% Vapour pressure: 0.36 kPa Duration: 60 days  Outdoor notional psychometric conditions, summer: Temperature: 18oC Relative humidity: 65% Vapour pressure: 1.34 kPa Duration: 60 Days  Indoor notional psychometric conditions: Temperature: 20oC Relative humidity: 55% Vapour pressure: 1.28 kPa  Winter interstitial condensate (warm roof): Calculated amount (maximum): 0.35 kg/m2 Calculated annual net retention: Nil  Vapour control layer: If necessary, provide a suitable membrane so that damage and nuisance from interstitial condensation do not occur AVOIDANCE OF INTERSTITIAL CONDENSATION IN WARM AND INVERTED ROOFS  Risk of interstitial condensation in roof construction: Assess in accordance with BS 5250, annex D  Vapour control layer: If necessary, provide a suitable membrane so that damage and nuisance from interstitial condensation do not occur

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Clauses in NBS Format Product Information

280a 

GENERAL DESIGN REQUIREMENTS All works must comply with all current relevant standards, codes of practice, and the Building Regulations to provide a secure, free draining and completely weathertight roof, including but not limited to:  BS 6229 Flat roofs with continuously supported coverings, code of practice  BS 5250 Code of practice for control of condensation in buildings  BS EN 1991-1-4 Eurocode 1 Actions on structures, general actions, wind actions  BS EN 12056-3 Gravity drainage systems inside buildings, roof drainage, layout and calculation  BS EN ISO 6946 Building components and building elements, thermal resistance and thermal transmittance, calculation method  The Building Regulations Approved Document Part L1 or Part L2 Conservation of fuel and power The design must take account of all structural factors to ensure that the waterproof covering is able to accommodate the effect of movement in order to avoid stress or deformation under these conditions. The waterproofing components’ resistance to dead and imposed loading must be assessed to avoid failure of the component and/or reduction in performance. Where resistance is deemed to be inadequate, suitable measures to mitigate load intensity will need to be considered. Insulation must be incorporated to avoid cold bridges as determined by building control and/or appointed design professional. The design must ensure that the continuity of the waterproof covering is maintained for a vertical height of at least 150mm above the finished roof level at all abutments, parapets, etc. The building owner or their appointed design professional must have satisfied themselves that the roof structure and deck are suitable to receive the dead load of the proposed specification. It is strictly the responsibility of the client and/or their design professional to ensure the compliance of the proposed specification with all relevant Building Regulations by consultation with Building Control. In the event of any doubt about the interpretation or application of the Building Regulations in relation to any particular new build or refurbishment works, clarification must be sought directly from Building Control.

310a

DRAINAGE OUTLETS  Type: Aluminium Manufacturer: Guaranteed Asphalt Ltd Product reference: GuaraDRAIN (to suit drainage design) Accessories: Select from flat grate, terrace grate, extension piece Type:

GuaraDRAIN rainwater outlets. Refer to Guaranteed Asphalt Technical Services (tel. no: 020 7277 8773) for type to suit location, bore to be specified. Outlets to be generally fixed at maximum 15m centres.

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Clauses in NBS Format Product Information

320a

330

PRIMER Type:

For flat decks - fully bonded upstands and slopes over approximately 10o and all metal surfaces in contact with the GuaraFLEX System.

Manufacturer: Product reference:

Guaranteed Asphalt Limited (as above). GuaraPRIMER Bitumen Primer - brush, roller or spray applied the rate of 6-8m2 per litre and allowed to dry to the touch.

TIMBER FOR TRIMS ETC Quality:

345

Planed. Free from wane, pitch pockets, decay and insect attack (except ambrosia beetle damage).

Moisture content at time of covering maximum:

22%

Preservative Treatment:

As recommended by mastic asphalt manufacturer.

EDGE TRIMS Type:

GRP

Manufacturer: Product reference: Colour:

Guaranteed Asphalt Limited Asphalt section GRP edge trim. Consult with Guaranteed Asphalt for recommendations and details. 3m

Length (maximum):

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Clauses in NBS Format Product Information

353A 

WATERPROOF COATINGS Type: Hot melt liquid applied formulation combined with integral reinforcements and protection sheet Manufacturer: Guaranteed Asphalt Ltd  System reference: GuaraTEC Waterproofing System Certification: GuaraTEC BBA certification 353-01 PRIMER Type: Solvent based low viscosity bitumen primer, black in colour Manufacturer: Guaranteed Asphalt Ltd Product Reference: GuaraPRIMER Density: 0.89 kg/litre +/- 0.02 Packaging: 25 litre drums 353-05 COATING Type: Hot melt rubberized bitumen comprising 100% solids and containing modified bitumen, synthetic rubbers and wood ash/limestone fillers Manufacturer: Guaranteed Asphalt Ltd Product Reference: GuaraTEC Density: 1230 kg/m3 Recycled content: 25% Packaging: Polythene wrapped 25kg cakes, individually packed in 250 x 200 x 460mm cardboard boxes Approximate coverage: 6.5 kg/m2 subject to the nature of the surface 353-06 REINFORCEMENT Type: Spun bonded polyester fabric Product reference: GuaraFLEECE Performance data: Tensile strength – longitudinal 60 N/50mm, transverse 60 N/50mm Air permeability: 3600 l/m2s (200Pa) Roll size: Width 1.02m x 200m length, thickness 0.5mm 353-07 PROTECTION SHEET Type: Glass/polyester reinforced SBS modified bitumen membrane Product reference: GuaraFELT protection sheet Colour: Black / Sanded / Mineral finish (dependent on buried or shown work)

380

MOVEMENT JOINTS Manufacturer:

Trelleborg Sealing Profiles, International House, Stafford Park, 11 Telford GB-West Midlands, TF3 3AY

Product reference:

Consult with chosen manufacturer for recommendations and details. Contact: Expansion Joints Ltd, Unit 3a Fatherford Farm, Okehampton, Devon, EX20 1QQ

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Clauses in NBS Format Product Information

391A

SUB SURFACE DRAINAGE LAYER  Type: Geo-composite unit, comprising a non-woven geotextile filtration layer that is bonded to a high-density polyethylene (HD-PE) cuspated core Manufacturer: Guaranteed Asphalt Ltd Product reference: GuaraMAT Performance data: Compressive strength 700 kPa (core), CBR puncture resistance 1.5 kN (fabric) Roll size: Width 1m x 100m length, thickness 6mm

393A

TERMINATION BAR  Type: Aluminium Manufacturer: Guaranteed Asphalt Ltd Product reference: Termination bar Size: 1500 mm

394A

SEALANT  Type: Low modulus sealant Manufacturer: Guaranteed Asphalt Ltd Product reference: Fixall mastic sealant Application: To seal the connection between roofing membranes to all common building materials Packaging: 290ml cartridge Colour: Grey

395a

VAPOUR CONTROL LAYER Type:

High Performance Bitumen sheet.

Manufacturer: Product reference:

Guaranteed Asphalt Limited GuaraFELT CP membrane. Consult with Guaranteed Asphalt for recommendations and details. GuaraFELT 2mm high performance bitumen membrane. Not required.

First layer: Second layer:

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Clauses in NBS Format Product Information

395b

VAPOUR CONTROL LAYER Type:

High Performance Bitumen sheet.

Manufacturer: Product reference:

Guaranteed Asphalt Limited GuaraFELT CP SUPER membrane. Consult with Guaranteed Asphalt for recommendations and details. GuaraFELT Super 4mm high performance bitumen membrane. Not required.

First layer: Second layer: 410

ADVERSE WEATHER ď&#x201A;ˇ Do not apply coatings In wet conditions or at temperatures below 5oC, unless otherwise permitted by coating manufacturer In high wines (speeds >7 m/s), unless adequate temporary windbreaks are erected adjacent to working area Unfinished areas of roof: Keep dry

420a

RIGID POLYISCYANURATE FOAM (PIR) ROOF BOARD WARM ROOF INSULATION

420b

430a

Material:

Rigid polyisocyanurate foam insulation board.

Manufacturer: Product reference: Thickness:

Guaranteed Asphalt Limited Guaranteed PIR board. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the uvalue requirements.

RIGID POLYISOCYANURATE FOAM (PIR) ROOF BOARD WARM ROOF INSULATION Material:

Rigid polyisocyanurate foam insulation board.

Manufacturer: Product reference: Thickness:

Guaranteed Asphalt Limited Guaranteed PIR tapered board. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the uvalue requirements.

WARM ROOF INSULATION Material:

PUR composite insulation board.

Manufacturer: Product reference: Thickness:

Guaranteed Asphalt Limited GuaraBOARD composite PUR board. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the uvalue requirements.

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Clauses in NBS Format Product Information

430b

430c

430d

WARM ROOF INSULATION Material:

PUR composite insulation board.

Manufacturer: Product reference: Thickness:

Guaranteed Asphalt Limited GuaraBOARD composite tapered board. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the uvalue requirements.

WARM ROOF INSULATION Material:

Cellular glass insulation board.

Manufacturer: Product reference: Thickness:

Guaranteed Asphalt Limited GuaraCEL cellular glass insulation board. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the uvalue requirements. The board type will be dependent on the compressive strength requirements.

WARM ROOF INSULATION Material:

Cellular glass insulation board.

Manufacturer: Product reference: Thickness:

Guaranteed Asphalt Limited GuaraCEL tapered cellular glass insulation board. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the uvalue requirements.

430e (1)

PROTECTION FOR INSULATION ON INSULATED VEHICLE DECKS (DRY SYSTEM)

Material:

GuaraSCREED design mix polymer modified asphalt concrete. Minimum 40mm thickness where falls are provided in the substrate. Where falls are not provided in the substrate but are required, minimum thickness 40mm, maximum thickness as required to provide falls of 1 in 100.

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Clauses in NBS Format Product Information

440a

EXTRUDED POLYSTYRENE INVERTED ROOF INSULATION/PROTECTION Material:

Extruded polystyrene board.

Manufacturer: Product reference: Grade - roofing/ vehicle decks:

Guaranteed Asphalt Limited Guaranteed extruded polystyrene board.

Edges: Integral topping: Thickness:

440a (1)

PROTECTION FOR INSULATION ON INSULATED VEHICLE DECKS/ROOF GARDENS (WET SYSTEM) Product: Laying:

440a(2)

Minimum 50mm cementitious screed. Flat or to falls, to engineers design.

PROTECTION FOR ASPHALT MEMBRANE. TO RECEIVE PAVING SLABS ON SUPPORTS. PODIUMS, BALCONIES, PEDESTRIAN AREAS & THE LIKE. Product: Laying:

440b

Lytag concrete or similar - minimum grade 20. Minimum 100mm thick, with A142 mesh to engineers design over insulation.

PROTECTION FOR WATERPROOFING Product: Laying:

440a(3)

Consult with Guaranteed Asphalt Technical Services for advice on specific projects. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. Consult with Guaranteed Asphalt Technical Services for advice on specific projects. Consult Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness will depend on the type and u-value requirements.

Extruded polystyrene. Thickness to be determined by installer. Loose, close butt-joints over and including geo-textile filter membrane as clause 440b.

FILTER MEMBRANE Product: Laying:

440c

GuaraGLASS Geo-textile non-woven fleece. Loose over horizontal asphalt, 150mm laps turning 100mm up abutments. PERMEABLE MEMBRANE Product: Laying:

Guaranteed water resistant vapour permeable membrane. Loose over insulation, 300mm laps sealed using Guaranteed lap seal adhesive.

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Clauses in NBS Format Product Information

453A

APPLYING COAT  Cut excess wrapping from black with a sharp knife or scissors.  Heat in purpose made oil or air jacketed melter in accordance with operating instructions and manufacturer’s guidelines.  Temperature of compound: Operating temperature ranges from 162 oC to 232oC. Do not overheat. Normal operating temperature range from 177oC to 218oC. Do not heat above 232oC  Application: Full over whole surface by squeegee.

460a

STONE BALLAST Type: Laying:

462A

Washed, no fines. Grade 20 to 40mm. Thickness 50mm, laid loose over membrane.

GENERAL NOTES/REQUIREMENTS  Prior to installation, the project specification, associated drawings, and manufacturer’s installation instructions for all materials should have been studied and understood, and must be followed.  These proposals relate to the roof waterproofing area only. They do not include associated work to be carried out by other trades, which may be required to complete a satisfactory refurbishment.  All preliminary work including alterations to detailing, where applicable, is complete and satisfactory.  Installation may only be carried out by GuaraTEC approved operatives, who have sufficient training for each specialist system and awareness to work safely, under the direction of qualified supervisors.  Where applicable, all operatives must be able to produce their individual ID card upon demand, whilst installing the system for which they are approved. These should be available for inspection at all times.  Contractors are advised to visit site when deemed necessary and make themselves fully acquainted with the extent of the works and the conditions under which they are to be executed.  It is the sole responsibility of the contractor to ensure that all roofing works shall be installed in accordance with the appropriate sections of all current relevant codes of practice, Building Regulations, and manufacturer’s installation instructions for product supplied by the company.

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Clauses in NBS Format Product Information

462A

GENERAL NOTES/REQUIREMENTS (contd…)  Outlet/s shall be set at a level to compensate for the thickness of the outlet flange and avoid any check against the flow of water. All outlets are to include a clamping ring to secure the waterproof covering. Outlets and apertures must be protected from ingress of debris to prevent blockage of downpipe/s; protection should be removed during non-operating periods.  Where applicable, all roof services and plant, access walkways, platforms, pipes etc, must be mounted on appropriate support systems providing at least 500mm clearance above the roof membrane, in order to facilitate access for future inspection/maintenance or repair.  The contractor must ensure that satisfactory aesthetic appearance of the completed works is achieved.

463A 

SITE INSPECTIONS Site inspections will be made by Guaranteed Asphalt Ltd during the works to ensure that the installation is executed in accordance with the GuaraGUARD warranty requirements and current codes of practice. A site visit report from, along with supporting photographs will be issued to the client/contractor following each inspection. The reports will identify and monitor the works observed during the inspections and will, where applicable, make recommendations for appropriate rectification which the contractor is to undertake in order to satisfy the warranty requirements.

464A 

HEALTH & SAFETY It is strictly the contractor’s responsibility to ensure that all works are executed in accordance with current health and safety legislation. Guidance may be taken from HSE publication reference: HSG33-Health and Safety in Roof Work. Safety scaffolding, the location of rubbish skips, access ladders etc, should be agreed with the client/principal contractor and be in accordance with current health and safety regulations. Product data and MSDS documents are available for all relevant products supplied by Guaranteed Asphalt Ltd.



465

PRECAST CONCRETE PAVING SLABS Precast concrete:

To BS 7263-1 hydraulically pressed.

Manufacturer: Product reference:

Guaranteed Asphalt Limited Consult with Guaranteed Asphalt for recommendation &details. Consult with Guaranteed Asphalt for recommendations &details. Consult with Guaranteed Asphalt for recommendations & details.

Colour/Finish: Size:

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Clauses in NBS Format Product Information

465a

TIMBER DECKING (SUBSTRATE TO FALLS) 600 x 600 x 50mm hydraulically pressed paving slabs, laying loose over permeable membrane.

465b

TIMBER DECKING (SUBSTRATE FLAT WITHOUT FALLS) 600 x 600 x 50mm hydraulically pressed paving slabs, laying loose over permeable membrane, in-filled with ballast (460a) around slabs.

466a    

470a

STORING OF MATERIALS Materials must be stored carefully on a clean dry surface, under cover and raised clear of the ground. Roll materials must be stored on end. The load-bearing capacity of the structure must be checked if material is to be stored at roof level. Only sufficient materials for the day’s schedule should be taken out of store, or uncovered, and placed close to the area being worked.

SURFACE PROTECTION PAVING TILES Type:

Porous concrete.

Manufacturer: Product reference: Colour/finish:

Guaranteed Asphalt Limited Guaranteed porous concrete tiles. Consult with Guaranteed Asphalt for recommendations and details. Consult with Guaranteed Asphalt for recommendations and details.

Size:

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Clauses in NBS Format Product Information

495

SURFACE PROTECTION SOLAR REFLECTIVE PAINT Manufacturer: Product reference:

520

Guaranteed Asphalt Limited Guaranteed solar reflective paint.

INCOMPLETE WORK Daywork joints in warm roof and edges of phased roofing: Adequately protect and fully weathertight.

530

APPLYING PRIMERS Application: Surface coverage: Coats:

545

APPLYING SOLAR REFLECTIVE PAINTS Application: Surface coverage:

610a

To upstands and slopes over approximately 10o, and pipes etc. Even and full. Fully bonded. Allow volatiles to dry off thoroughly between coats.

To exposed asphalt. Even and full.

PREPARATION SUITABILITY OF SUBSTRATES Generally: Secure, even textured, clean and dry and free from frost. Horizontal surfaces: To even falls/flat within tolerances. Preliminary work: Complete - including: Formation of upstands and kerbs Penetrations/outlets Chases (not less than 10 x 25mm) External angles - chamfered where required to maintain full thickness. Moisture content and stability: Must not impair integrity of roof.

610b

PREPARATION Sweep clean and remove all standing water. Make good as necessary to provide a base free from ridges, hollows and indentations. Sweep clean and remove all standing water. Make good as necessary to provide a clean base free from ridges, hollows and indentations, dried ready to receive primer.

610c

GuaraSCREED (WARM ROOFS)

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Clauses in NBS Format Product Information

Polymer modified design mix mastic asphalt screed, nominal 1:80 fall. Screed thickness; Laying: 610d

Minimum - nil Maximum - as required One or more layers on GuaraFELT separating/bonding layer.

GuaraSCREED FOR INVERTED ROOFS Polymer modified design mix mastic asphalt screed, nominal 1:100 fall. Screed thickness: Laying:

Minimum - nil. Maximum - as required. One or more layers on GuaraFELT separating/bonding layer.

610d (1) GUARASCREED FOR CAR PARK DECKS/PODIUMS - COLD ROOF DECKS Polymer modified design mix mastic asphalt screed, nominal 1:100 fall. Screed thickness: Laying:

610e

GUARASCREED SURFACE PROTECTION FOR COLD ROOFS, NO INSULATION, FLAT Screed thickness: Laying:

610f

Nominal 25mm thickness. Single layer over asphalt waterproofing.

GUARASCREED SURFACE PROTECTION FOR COLD ROOFS WHERE FALLS OR ADDITIONAL FALLS ARE REQUIRED Screed thickness: Laying:

610g

Minimum - nil. Maximum - as required. One or more layers, over GuaraFLEX R asphalt waterproofing.

Laid to falls. Minimum - 5mm thickness. Maximum - as required. One or more layers over asphalt waterproofing.

GUARASCREED FINISH/SURFACE PROTECTION WHERE FALLS OR ADDITIONAL FALLS ARE REQUIRED Polymer modified design mix asphalt screed. Screed thickness: Laying:

Minimum – 10mm. Maximum – as required. In one or more layers over asphalt waterproofing.

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Clauses in NBS Format Product Information

610h

SUITABILITY OF SUBSTRATE (to receive GuaraTEC)  Suitability of base: Ensure that the structural tolerances of the structure which the works are being installed are within permissible deviation of a level surface and satisfactory to receive the proposed specification. The existing surface is to be even and free from any irregularities that may compromise the works and/or performance. It is the responsibility of the appointed contractor to verify and report any deficiencies so that they can be corrected prior to commencing with the application.  Screed compatibility: Structural screed is susceptible to absorbing moisture which may compromise the integrity of the bond caused by the installation at high temperature and is to be avoided. Further guidance should be sought from Guaranteed Asphalt Ltd’s technical services, if applicable.  Substrates generally: Secure, clean, dry, smooth, free from frost, contaminants, voids and protrusions.  Preliminary work: Complete including: Formation of upstands, kerbs, box gutters, sumps, grooves, chases and expansion joints Fixing of battens, anchoring plugs/strips  Moisture content and stability of substrate: Must not impair roof integrity  Acceptable methods of drying of roof areas, where required, must be agreed with the client prior to the commencement of works.

620a

REMOVE EXISTING COVERING (ANY TYPE) Remove all existing coverings down to concrete/screed/timber base or metal decking. Brush off and make good as necessary to provide a clean, dry base free from ridges, hollows and indentations. Note: Prior to commencement of the works, core samples should be taken to ensure the existing concrete/screed/timber or metal deck is suitable for re-use. Consult Guaranteed Asphalt for recommendations and details.

630a

PREPARATION OVERLAY EXISTING COVERINGS Cut out and make good all defects in existing covering. Remove all existing coverings to upstands, kerbs and the like. Prepare surfaces to receive new. Brush off and make good as necessary to provide a base free from ridges, hollows and indentations. Note: Consult with Guaranteed Asphalt for suitability of existing installation for overlay.

640

INSTALLING TIMBER FOR TRIMS Fasteners: Fixing centres (maximum):

Sherardized steel screws. 600mm

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Clauses in NBS Format Product Information

650  

 655 

655a 

ADHESION TESTS Requirement: Carry out advance bond tests to determine suitability. Execution of test: Apply a small amount of membrane by squeegee onto the test area and allowing it to cool completely. Cut a triangular shaped incision through the membrane in the centre of the test area. If this triangular area of membrane can be peeled from the substrate easily then the substrate is not ready. If it is not possible to pull the membrane away without distorting it, then the bond is deemed to be satisfactory. Temporarily apply a piece of protection sheet over the test area to keep dust off, removing it only when the main material application takes place. The test material will reactivate and blend in with the subsequent application. Test results: Proceed with membrane installation if satisfactory. APPLYING PRIMERS/CONDITIONERS Coverage per coat (minimum): Asphalt/Concrete (wood float or similar): 8-16 m2/litre Metal e.g. base plats/metal angles, not applicable, degrease thoroughly Dilute: 50/50 with white spirit (if required) Surface coverage: Even and full Application: Apply by brush, roller or spray and allow to dry completely. Surfaces must be clean and free from all oil, grease, dirt, dust and loose debris. On metal surfaces all loose rust should be removed using a wire bristled brush, and where advanced signs of corrosion are evident, these areas should initially be treated with a rush inhibitor. Bituminous primer is resistant to rainfall within 20-30 minutes of its application. APPLICATION OF ROOF COATINGS Apply product to suitably prepared substrate by squeegee, in two layers of total (nominal) thickness of 6mm (not including protection sheet), reinforced with GuaraFLEECE (where appropriate). GuaraFLASH is to be fully bonded into the first 3mm coat of membrane and brushed in with a soft broom or brush. Side and end laps 75mm (also sealed with GuaraTEC). Fully bond GuaraFELT protection sheet onto second 3mm coat of membrane, with 100mm side and end laps sealed by gas torch (laps must be kept free of GuaraTEC). Thickness: Monitor by taking regular thickness tests using a depth gauge, to ensure consistent and correct thickness and coverage of membrane. Seal pinhole after removal of gauge by applying direct pressure. Continuity: Maintain full thickness of coatings around angles, junctions and features. Rainwater outlets: Form with watertight joints. Drainage systems: Do not allow liquid coatings to enter piped rainwater or foul systems.

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Clauses in NBS Format Product Information

660a

PREPARATION JOINTS IN PLYWOOD SUBSTRATES Cover Strip:

660b

PREPARATION FOR HIGH STRESS AREAS - HEAVY GOODS VEHICULAR ACCESS CONCRETE DECKS Laying:

670a

Lay centrally over substrate joints before laying vapour control layers or coverings. Adhere to substrate with bonding compound, along edges only.

Bitumen primer on concrete base to receive waterproofing layer/layers.

LAYING VAPOUR CONTROL LAYER Attachment: Partial bonding. Appearance on completion: Flat with no wrinkles. Laps: (100mm) Seal using method recommended by Guaranteed Asphalt Limited. Upstands/kerbs and other penetrations:

680a

Enclose edges of insulation. Fully seal at abutment by bonding or taping.

INSTALLING WARM ROOF INSULATION Setting out: -

Mechanical fixing/ bonding: Completion:

Long edges: Fully support and run at right angles to structure. End edges: Adequately support. Joints: Butt together. End joints: Stagger Bedding: Partial bond to ensure adequate restraint with suitable bonding compound.

Consult with Guaranteed Asphalt for recommendations and details. Boards must be in good condition, well-fitting with no substantial springing, flexing or rocking.

P a g e 16 | 27

Clauses in NBS Format Product Information

SEPARATING LAYERS 695a 695b 695c

GuaraFELT CP super, high performance bitumen felt membrane. Laying: Loose with 100mm sealed laps. GuaraFELT CP, nominal 2mm thick high performance bitumen felt membrane. Laying: Loose with 100mm sealed laps. GuaraFELT CP, nominal 2mm thick high performance bitumen felt membrane. Laying: Torch bonding to base with 100mm laps.

695d

GuaraFELT CP super, high performance bitumen felt membrane. Laying: Torch bonding to base with 100mm laps.

695e

GuaraSCRIM bitumen impregnated scrim tissue. Laying: Loose laid over primed concrete base with 100mm laps.

695f

Guaranteed overlay board, 13mm thick, one face bitumen coated. Laying: Loose or spot bonded over existing coverings, close butt jointed, bitumen face uppermost.

695g

GuaraGLASS glass fibre tissue. Laying: Loose laid over concrete base with 100mm laps.

695h

GuaraTEC fully bonded layer, nominal 3mm GuaraTEC rubberised rubber, on a primed deck

710

DELIVERY Condition of mastic asphalt as delivered to site: Hot-prepared.

(or) 720

730

DELIVERY Condition of mastic asphalt delivered to site: Hot prepared OR Blocks - re-melt on site. Temperature of material not to exceed 230oC. ON-SITE TRANSPORTING Transport distances: Minimise to avoid excessive cooling of molten mastic asphalt. Buckets, barrows or dumpers used for mastic asphalt: Line with minimum quantity of fine inert dust. (Use silica or similar acid resisting dust where acid resisting mastic asphalt is being used).

735

LOCALIZED HEATING Blowlamps and gas torches: Use only types with controlled gradual heating during laying, removal and repair of mastic asphalt.

P a g e 17 | 27

Clauses in NBS Format Product Information

770A 



SKIRTINGS AND UPSTANDS Preparation: Prepare the substrate to provide an acceptable base for waterproofing. Prime substrate with the specified primer (as clause 530 A) Bedding: Bonded into the first 3mm coat of membrane and gently smoothed in by gloved hand Side and end laps: 75mm (also sealed with GuaraTEC) Bond: Continuous over whole surface, with no air pockets, apply second 3mm coat fully encapsulating the reinforcement. A protection sheet of GuaraFELT is laid over the completed GuaraTEC membrane. Flashing and detail work: The design should ensure that the continuity of the waterproof covering is maintained for a vertical height of 150mm above the finished roof level at all abutments, parapets etc. Guaranteed Asphalt Ltd cannot take responsibility in the event of water ingress over and above the termination of our waterproofing. Additional fixing of membranes: Where applicable, mechanically fix termination bar at 300mm (max) centres plated at the top edge of the flashing detail, sealed with GuaraSTICK. In any situation where a structural expansion detail is to be incorporated into the GuaraTEC waterproofing and the percentage movement is less than 50%, the contractor is to install the detail as per the relevant nominal width of joint. Should any expansion joint detail require a degree of movement in excess of 50%, consult with the coating manufacturer for guidance. Leadwork: Where applicable, code 4 or 5 lead is required for flashing of details. Maximum lengths and girth should be established and carried out in accordance with the Lead Sheet Association recommendations. Seal the connection between roofing membranes to all common building materials: Apply GuaraSTICK polymer sealant to all exposed edges, termination bars, flashings, connections with roof penetrations etc. Surfaces must be dry, clean and free from contaminants. Additional requirements: The contractor is to install all details in a manner to comply with current quality assessment recommendations for the installation of the specified system. Should any detail arise where it is not clear how this can be achieved, the contractor is to seek advice and approval for all proposals from Guaranteed Asphalt Ltd before completing the works.

P a g e 18 | 27

Clauses in NBS Format Product Information

740

APPLICATION Laying mastic asphalt: Standard to BS 8218. Mastic asphalt coats: Apply in bays to even thickness. Do not use re-heated asphalt. Full thickness: Maintain around external angles, at junctions and tuck-ins. Fillets at internal angles: Solid in tow layers, fully fused to asphalt coating. Previously laid coats: Protect whilst exposed. Successive coats: Apply without delay and within same working period. Stagger joints between bays in consecutive coats (minimum): 75mm. Finish: Even surface, smooth and free from imperfections. Completion: During final floating operation, whilst asphalt is still warm, apply sand to horizontal surfaces and rub-in well using wooden float. Blowing: Reheat if necessary, pierce and make good affected areas. Condition of contact edges of previously laid bays: Warm and clean. Condition on completion: Fully sealed, waterproof and free draining.

740a

APPLICATION (NEW BUILD/REFURBISHMENT) OVER GUARASCREED Laying: Surface finish:

740b

APPLICATION (NEW BUILD/REFURBISHMENT) OVER SCREEDS OTHER THAN GUARASCREED Laying: Surface finish:

740c

740d

GuaraFLEX R mastic asphalt. Nominal 20mm thickness, laying over GuaraSCREED. Sand rubbed.

GuaraFLEX R mastic asphalt. Nominal 20mm thickness in 2 layers on and including Guarafelt separating layer. Sand rubbed.

APPLICATION (NEW BUILD/REFURBISHMENT) TO FLAT DECKS WITH NO FALLS Laying:

GuaraFLEX R mastic asphalt. Nominal 20mm thickness in two layers on and including GuaraFELT separating layer.

Surface finish:

Sand rubbed.

APPLICATION (NEW BUILD/REFURBISHMENT) OVER INSITU CONCRETE/CONCRETE FLAT/TO FALLS/SCREEDED DECK TO FALLS/RAMPS Laying:

GuaraFLEX R mastic asphalt in one layer on GuaraFELT separating layer/bonding layer or GuaraSCREED.

Surface finish:

Float finished/sand rubbed if left exposed.

P a g e 19 | 27

Clauses in NBS Format Product Information

740d (1) APPLICATION (NEW BUILD/REFURBISHMENT) OVER INSITU CONCRETE FLAT/TO FALLS/SCREEDED DECK TO FALLS Laying: GuaraFLEX PR standard mastic waterproofing in one coat on GuaraFELT separating layer. Surface finish: Float finished. PAVING/PROTECTION LAYERS 740e

740f

APPLICATION (NEW BUILD/REFURBISHMENT) PAVING PROTECTION LAYER Laying:

GuaraFLEX R mastic asphalt, nominal 15mm thickness with 1520% additional coarse aggregate over GuaraFLEX R asphalt waterproofing.

Preparation:

Sweep clean and dry new asphalt waterproofing.

APPLICATION (NEW BUILD/REFURBISHMENT) STANDARD PAVING/PROTECTION LAYER/WEARING COURSE Laying:

GuaraFLEX PP mastic asphalt over GuaraFELT separating layer waterproofing or GuaraSCREED/asphalt or concrete.

Surface finishes:

Sand rubbed, smooth finish, crimped with indenting roller, precoated chippings rolled in at the rate of 7-10 kilos per m2, nominal size 14 or 20mm.

740f (s) APPLICATION (NEW BUILD/REFURBISHMENT) STANDARD PAVING/PROTECTION LAYER/WEARING COURSE

740g

Laying:

GuaraFLEX Standard paving mastic asphalt over GuaraFELT separating layer waterproofing or GuaraSCREED/asphalt or concrete.

Surface finishes:

Sand rubbed, smooth finish, crimped with indenting roller, precoated chippings rolled in at the rate of 7-10 kilos per m2, nominal size 14 or 20mm.

APPLICATION (NEW BUILD/REFURBISHMENT) HARDGRADE PAVING/PROTECTION LAYER/WEARING COURSE Laying:

GuaraFLEX PPH mastic asphalt over GuaraFELT separating layer waterproofing or GuaraSCREED/asphalt or concrete.

Surface finishes:

Sand rubbed, smooth finish, crimped with indenting roller, precoated chippings rolled in at the rate of 7-10 kilos per m2, nominal size 14 or 20mm.

P a g e 20 | 27

Clauses in NBS Format Product Information

740g(s) APPLICATION (NEW BUILD/REFURBISHMENT) HARDGRADE PAVING/PROTECTION LAYER/WEARING COURSE Laying:

GuaraFLEX Hard paving mastic asphalt over GuaraFELT separating layer waterproofing or GuaraSCREED/asphalt or concrete.

Surface finishes:

Sand rubbed, smooth finish, crimped with indenting roller, precoated chippings rolled in at the rate of 7-10 kilos per m2, nominal size 14 or 20mm.

740g(f) APPLICATION (NEW BUILD/REFURBISHMENT) HARDGRADE PAVING/PROTECTION LAYER/WEARING COURSE

750a

Laying:

GuaraSCREED floor screed mastic asphalt over GuaraFELT separating layer waterproofing or GuaraSCREED/asphalt or concrete.

Surface finishes:

Sand rubbed, smooth finish, crimped with indenting roller, precoated chippings rolled in at the rate of 7-10 kilos per m2, nominal size 14 or 20mm.

UPSTANDS â&#x20AC;&#x201C; GuaraFLASH U&T Installing:

Flexible upstands, coverings to kerbs and the like.

Setting out:

Neatly with carefully formed junctions.

Application:

First layer GuaraFLASH U underlay torch bonded to primed base, terminating 150mm above horizontal finishes or continued over the top of the upstand. Torch bonding 100mm onto GuaraFELT CP/CP Super at the base prior to laying horizontal asphalt. 100mm wide vertical and horizontal laps. Second layer GuaraFLASH T torch bonded to GuaraFLASH underlay with 100mm vertical and horizontal laps, terminating 150mm above horizontal finishes or continued over the top of the upstand.

750b

TERMINATION -

To brick, block, concrete walls. Nonferrous metal cover flashing wedged into 10 x 25mm deep chase, pointed with suitable mastic on completion. Or suitable termination bar. Dressing minimum 50mm over upstand detail.

P a g e 21 | 27

Clauses in NBS Format Product Information

750b (1)

ANGLE FILLET 2 coat internal angle fillet, nominal 45mm on face to all concrete brick or block work walls and abutments. Preparation: As clause 320a.

750b (2) FILLET STRIP Flexible fillet strip â&#x20AC;&#x201C; 15mm thick by 45mm wide torch-on preformed strip bonded to asphalt base layer and GuaraFLASH base layer at all abutments. 750c

INSULATED UPSTANDS

750c (1)

Material (Warm Roof): Guaranteed plywood faced composite board. Material (Inverted Roof): Guaranteed Extruded Polystyrene Board. Manufacturer: Guaranteed Asphalt Limited. Product reference (Warm Roof): GuaraTHERM composite board. Product reference (Inverted Roof): GuaraBOARD extruded polystyrene. Thickness: Consult with Guaranteed Asphalt Technical Services for advice on specific projects. The board thickness and type will depend on the u-value requirements.

750c (2)

FIXING INSULATED UPSTANDS (INVERTED ROOFS OR WARM ROOFS)

750c (2)1

Type (Inverted Roof): Guaranteed extruded polystyrene board, spot bonded with lo-modulus mastic adhesive over GuaraFLASH T.

750c (2)2

Type (Warm Roof): GuaraTHERM composite board, bonded or mechanically fixed to vapour barrier.

750c (3)

PROTECTION (INVERTED ROOFS) 0.7mm aluminium sheet, once bent 75mm leg at the base.

750c (3)1

FIXING (INVERTED ROOFS) Free standing against vertical insulation with 75mm leg onto permeable membrane, secured at the base with 20-40mm ballast or paving slab.

750c (4)

COVER APRON (INVERTED ROOFS) Aluminium sheet, three times bent, two irregular angles, one welted edge, 100mm laps.

P a g e 22 | 27

Clauses in NBS Format Product Information

750c (4)1

FIXING Wedging into 10 x 25mm deep chase, pointing with high modulus one part polysulphide mastic. Dressing 50mm over metal upstand protection, securing with secret clips into welted edge. Clips fixed to upstand with self-tapping screws.

750(5)

WATERPROOFING FOR INSULATED UPSTANDS (WARM OR INVERTED ROOFS) Installing:

Flexible upstands, coverings to kerbs and the like.

Setting out:

Neatly with carefully formed junctions.

Application:

First layer GuaraFLASH U underlay, torch bonded to primed base, terminating 150mm above horizontal finishes or continued over the top of the upstand. Torch bonding 100mm onto GuaraFELT CP/CP Super at the base prior to laying horizontal asphalt. 100mm wide vertical and horizontal laps. Second layer GuaraFLASH U self-finish for inverted roofs and GuaraFLASH T for warm roofs, torch bonded to GuaraFLASH underlay with 100mm vertical and horizontal laps, terminating 150mm above horizontal finishes or continued over the top of the upstand.

750d

GUARAFLEX R ASPHALT UPSTANDS (OPTIONAL)

750d(1)

UPSTANDS/DRIP APRONS/COLLARS TO PIPES AND THE LIKE (NOT EXCEEDING 300MM HIGH) 13mm thick, 2 coat GuaraFLEX R on primed brick or concrete upstands, angle fillet at base, tuck into chase at top/fair edge at top. Surface Protection:

750d(2)

Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

UPSTANDS/DRIP APRONS/COLLARS TO PIPES AND THE LIKE (VERTICAL EXCEEDING 300MM HIGH) 20mm thick, 3 coat GuaraFLEX R on primed brick or concrete upstands, angle fillet at base, tuck into chase at top/fair edge at top. Surface Protection:

Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

P a g e 23 | 27

Clauses in NBS Format Product Information

750d (3)

UPSTANDS/DRIP APRONS (VERTICAL ANY HEIGHT) OVER AERATED CONCRETE/LIGHTWEIGHT BLOCKS AND THE LIKE/TIMBER 20mm thick 3 coat GuaraFLEX R on expanded metal lathing on GuaraFELT sheathing on upstands, angle fillet at base, tuck into chase at top/fair edge at top. Surface Protection:

770

INSTALLING MOVEMENT JOINTS Location: Joint width: Bedding: Fixing: Separating Layer: Joints: Sealant: Size: Colour:

785a

Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

Centre over structural movement joint, and bed to exact finished level. Consult with Guaranteed Asphalt for recommendations and details. Epoxy mortar. Consult with Guaranteed Asphalt for recommendations and details. Dress onto horizontal surface of edgings, either side of joint. Prepare and apply sealant as section Z22. Consult with Guaranteed Asphalt for recommendations and details. __________________ __________________

INSTALLING EDGE TRIMS Separating layer: GuaraFELT CP/CP Super carried under the trim to reinforce the joint. Clear distance from wall or fascia: 3mm (minimum). Fasteners: Countersunk wood screws to BS 1210. Type: Consult with Guaranteed Asphalt for recommendations and details. Spacing: 30mm from ends of trims and 300mm (maximum) centres. Jointing sleeves: Fix one side only. Expansion gap between ends of trim: Consult with Guaranteed Asphalt for recommendations and details. Corners: Use purpose made corner pieces.

P a g e 24 | 27

Clauses in NBS Format Product Information

810

LAYING INVERTED ROOF INSULATION Preparation: Clear roof of other trades. Condition of substrate: Clean Setting out: Loose lay to brick pattern. Minimise cutting and avoid small cut prices at perimeters and penetrations. Joints: Butt together. Protections, upstands, rainwater outlets etc: Cut insulation cleanly and fit closely around. Completion: Boards to be in good condition, with no springing or rocking. Cover to prevent wind uplift as soon as possible.

833a  



860a

LAYING SUB SURFACE DRAINAGE LAYER Condition of substrate: Clean Setting out: Loose lay ensuring that the filter fabric is uppermost and facing the backfill. Adjacent rolls should be positioned so that the cuspated cores are buttjointed. The filter fabric has a 100mm wide lap for lapping over the fabric of the adjoining unit prior to backfilling. Completion: Must be in a good condition, well fitting and stable. LAYING PAVING TILES Condition of substrate: Setting out: Bedding: Joints:

Clean and dry. Minimise cutting. Consult with Guaranteed Asphalt for bedding recommendations and separating layers for cementitious beds. - Open. - Width generally: 3mm. - Expansion gap intervals: 3m, nominal 25mm wide. - Perimeter/Upstands: Stop tiles on line of GuaraFLASH T.

P a g e 25 | 27

Clauses in NBS Format Product Information

910a   

912a 



920a       

FINAL INSPECTION Interim and final roof inspections: Strictly in accordance with Guaranteed Asphalt Ltd’s requirements to satisfy the GuaraGUARD warranty requirements. Rainwater goods must be tested by the contractor upon completion of the works prior to handover. Guaranteed Asphalt Ltd will conduct a final inspection upon notification of completion by the contractor. This must take place prior to the application of any surfacing above the waterproof covering. Failure to instigate a final inspection may jeopardise approval and/or warranty release.

PROTECTION As soon as an area of waterproofing has been completed, it should be inspected and tested upon notification of completion by the contractor. Completed areas should not be used as a building platform or as an access route by other trades. If unavoidable, appropriate protection must be provided for the duration of the construction period. Care should be taken not to mark or dent the works while laying any additional protection. Inspection and/or leak testing must always take place after removal of such protection. Roofs accessed for regular maintenance of plant, or parts of the building, should be given consideration in providing a predetermined route to and from the entry point to minimise potential hazards.

ELECTRONIC ROOF INTEGRITY TEST Test authority: To be a member company of WITA – Waterproofing Integrity Test Association (contact: 020-7448-3857). Timing of test: Prior to applying finishes to the waterproofing and/or handover. Condition of roof covering prior to testing: Complete to stage where integrity can be tested. Surface: Clean and free of site debris. Breaches detected: Re-test immediately following repair. Test results: Submit on completion, to include plan of area tested. Waterproofing integrity certificate: Submit on completion of a single test or series of tests to the nominated roof or section thereof. The issue of the GuaraGUARD warranty is conditional upon the provision of such a leak test certificate.

P a g e 26 | 27

Clauses in NBS Format Product Information

940

 

COMPLETION Roof areas: Clean Outlets: Clear Flashings: Dressed into place Work necessary to provide a weathertight finish: Complete Storage of materials on finished surface: Not permitted



Completed coatings: Do not damage. Protect from petroleum based solvents and



other chemicals, traffic and adjacent or high level working .

GUARANTEES 940a This specification is covered by the manufacturers dual signature guarantee for workmanship and materials for an agreed period to fulfil employers requirements, subject to terms and conditions. 940b This specification and guarantee can be insurance backed, subject to the terms and conditions of the Insurers, and secured by a one off premium directly in accordance with the current requirements of the Financial Services Authority (FSA). 941a 

MANUFACTURERS WARRANTY The above specification/s shall be installed in accordance with the appropriate sections of all current relevant codes of practice, Building Regulations, and manufacturer’s installation instructions for product supplied by the company. The works shall only be installed by GuaraTEC approved operatives, and, as agreed in the contract, the GuaraGUARD warranty shall be issued to the building owner on satisfactory completion.

942a 

MAINTENANCE It is recommended that all flat roofs be inspected at a minimum frequency of twice a year. Ideally, inspections should be carried out in spring and autumn accounting for the effects of annual extremes of weather to be checked. Inspection should also be carried out following works on the roof by other trades, or following installation of new roof equipment. All inspections and/or maintenance actions carried out at roof level must be in full compliance with the appropriate health and safety regulations, and particularly those specifically dealing with working at height.



P a g e 27 | 27

115a

115 a J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 115 GENERAL Types of coating:

GuaraFLEX Asphalt

(Warm Roofing)

Polymer modified asphalt warm roof system for new build or refurbishment (concrete decks). 115 a 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For overlay of existing coverings, refer to clause 610a and 630a.

3.3

For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

115a

Screeds:

5.1

For new build, refer to clause 610c.

5.2

For refurbishment GuaraSCREED as 610c may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 6)

www.guaranteedasphalt.com

Vapour control layer: As clause 395a.

6.1

Laying as clause 670a.

Insulation: As clause 420a.

7.1

For alternative insulation, refer to clause 420b, 430a-e. Consult with Guaranteed Asphalt for recommendations and advice.

7.2

Attachment:

As clause 680a.

Separating layer (loose laid): As clause 695a over insulation.

Page 2|4

115a 9)

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536 260995

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Note:

For decks sloping over 5o refer to Guaranteed

Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 20mm thickness as clause 740a over Guarascreed, or 20mm thickness - as clause 740b over separating layer.

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com

Insulated upstands: As clause 750c where required.

Page 3|4

115a 12)

Surface protection: Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

13)

Surface protection: Porous concrete tiles for areas subject to foot traffic. Guaranteed porous concrete tiles as clause 470a and 860a to access walkways and promenade surfaces, bonded to GuaraFLEX R in strict accordance with manufacturers instructions. Note:

Other types of tiles may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

14)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

14.1

Insurance backed as 940b.

15)

Accessories (where required):

15.1

Timber for trims as clause 330 and 640.

15.2

Edge trims as clause 345 and 785a.

15.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 16)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

115b

115 b J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 115 GENERAL

Types of coating:

GuaraFLEX Asphalt

(Warm Roofing)

Polymer modified asphalt warm roof system, for new build or refurbishment (timber or metal decks). 115 b 1)

Substrate: Profiled metal/timber or plywood decking, designed in accordance with BS 6229:2003, laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

115b 5)

Vapour control layer: 5.1

Timber deck:

Joints in plywood substrate refer to clause 660a.

5.2

Metal deck:

As clause 395b.

5.3

Laying:

Refer to clause 670a.

Insulation: (For structures to falls)

6.1

As clause 420a.

For alternative insulations/cut to fall systems, refer to clause 420b, 430a-e. Consult with Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

6.2

Attachment: As clause 680a.

Separating layer (loose laid): As clause 695a over insulation.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536 260995

Email: info@guaranteedasphalt.com Web: - Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 20mm thickness as clause 740b over separating layer.

Page 2|4

115b

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

10)

www.guaranteedasphalt.com

Insulated upstands: As clause 750c where required. Note:

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations.

Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com

Surface protection: Solar reflective paint for areas not subject to foot traffic. Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

Page 3|4

115b

12)

Other types of tiles may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 13)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

13.1

Insurance backed as 940b.

14)

Accessories (where required):

14.1

Timber for trims as clause 330 and 640.

14.2

Edge trims as clause 345 and 785a.

14.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

15)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

125a

125 a J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 125 GENERAL Types of coating:

GuaraFLEX Asphalt

(Inverted Roofing)

Polymer modified asphalt inverted roof system for new build or refurbishment (concrete deck with falls). 125 a 1)

Substrate: Insitu concrete or precast concrete planks grouted.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For overlay of existing coverings, refer to clause 610a and 630a.

3.3

For new build, refer to clause 610a and 610b.

Screeds: As clause 610d.

Page 1|3

125a

Separating Layer: As clause 695b.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

125 a Note:

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email:

info@guaranteedasphalt.com

Web:

www.guaranteedasphalt.com

- Product reference:

Guaraflex PR polymer modified asphalt, 20mm thickness - as clause 740a over Guarascreed, or 20mm thickness - as clause 740b over separating layer.

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

Insulated upstands:

Page 2|3

125a As clause 750c, 750c(1), 750c(3), 750(3)1, 750(4) and 750(4)1 where required.

Filter membrane: As clause 440b.

10)

Insulation/Protection: As clause 440a.

10.1

Laying:

As clause 810.

11)

Permeable membrane: As clause 440c.

12)

Securement:

12.1

Stone ballast as clause 460a.

12.2

Precast concrete paving slabs as clause 465.

12.3

Precast concrete paving slabs/timber decking as clause 465a.

13)

Guarantees: As clause 940a.

13.1

Insurance backed as 940b.

Page 3|3

125b

125 b J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 125 GENERAL Types of coating:

GuaraFLEX Asphalt

(Inverted Roofing)

Polymer modified asphalt inverted roof system for new build or refurbishment (concrete deck, flat with no falls). 125 b 1)

Substrate: Insitu concrete with smooth float finish/precast concrete planks grouted, flush finish/laid flat.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Priming: For new build or refurbishment refer to clause 320a.

Preparation:

4.1

For removal of existing coverings, refer to clause 610a and 620a.

4.2

For overlay of existing coverings, refer to clause 610a and 630a.

4.3

For new build, refer to clause 610a and 610b.

Separating Layer: As clause 695a.

Page 1|4

125b

125 b 6)

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

- Product reference:

GuaraFLEX PR polymer modified asphalt, 25mm thickness as clause 740c over separating layer.

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

Insulated upstands: As clause 750c, 750c(1), 750c(3), 750(3)1, 750(4) and 750(4)1 where required.

Insulation/Protection: As clause 440a.

9.1

Laying:

As clause 810.

Page 2|4

125b

10)

Permeable membrane: As clause 440c.

Page 3|4

125b

11)

Securement:

11.1

Stone ballast as clause 460a.

11.2

Precast concrete paving slabs as clause 465.

11.3

Precast concrete paving slabs/timber decking as clause 465a.

12)

Guarantees: As clause 940a.

12.1

Insurance backed as 940b.

Page 4|4

125c

125c J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 125 GENERAL Types of coating:

GuaraFLEX Asphalt

(Inverted Roofing)

Polymer modified asphalt triple protection inverted roof system for new build/refurbishment (concrete deck flat or to falls - total bonding). 125 c 1)

Substrate: Insitu concrete, smooth float finish laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Priming: For new build or refurbishment refer to clause 320a.

Preparation:

4.1

For removal of existing coverings, refer to clause 610a, 610b(1) and 620a.

4.2

For new build, refer to clause 610a and 610b(1).

Page 1|3

125c

Bonding layer: As clause 695c.

Screeds: Where falls are required but not provided within the concrete substrate, use GuaraSCREED laid over bonding layer, refer to clause 610c.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

- Product reference:

www.guaranteedasphalt.com

Guaraflex PR polymer modified asphalt, 15mm thick - as clause 740d on and including bonding layer.

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

Page 2|3

125c

Insulated upstands: As clause 750c, 750c(1), 750c(3), 750(3)1, 750(4) and 750(4)1 where required.

10)

Filter membrane: As clause 440b.

11)

Insulation/Protection

11.1

Protection for structures requiring insulation (flat or to falls): As clause 440a.

11.2

Laying:

As clause 810.

12)

Permeable membrane: As clause 440c.

13)

Securement:

13.1

Stone ballast as clause 460a.

13.2

Precast concrete paving slabs as clause 465.

13.3

Precast concrete paving slabs/timber decking as clause 465a.

14)

Guarantees: As clause 940a.

14.1

Insurance backed as 940b.

Page 3 of 3

125d

125 d J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 125 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Inverted Roof Garden Systems)

Polymer modified asphalt warm roof system for new build or refurbishment (concrete decks) for roof gardens, podiums and the like, hard landscaping, brick/concrete planters, hard pavings. 125 d 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: For new build, refer to clause 610a and 610b.

Page 1|4

125d

Priming: For new build or refurbishment, refer to clause 320a.

Separating Layer (laid loose): As clause 695a.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-262381

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 25mm thickness as clause 740c.

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

Page 2|4

125d

Insulated upstands: As clause 750c, 750c(1), 750c(3), 750(3)1, 750(4) and 750(4)1 where required.

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web: 10)

www.guaranteedasphalt.com

Filter Membrane: As clause 440b.

11)

Insulation/Protection: As clause 440a.

11.1

Laying:

As clause 810.

12)

Permeable Membrane: As clause 440c.

13)

Insulated Upstands: As clause 750c(2) and 740c.

14)

Protection for Insulation/Structural Topping: As clause 440a(1). Note:

Planters, paved areas, selection of growing medium and vegetation shall be to the Landscape Architects design, constructed off the structural topping.

Page 3|4

125d

15)

Guarantees: As clause 940a.

15.1

Insurance backed as 940b.

16)

Accessories (where required):

16.1

Timber for trims as clause 330 and 640.

16.2

Edge trims as clause 345 and 785a.

16.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

17)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

125e

125 e J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 125 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Inverted Green Roof System)

Polymer modified asphalt inverted roof system for new build or refurbishment (concrete decks) for green roofs, podiums and the like. 125 e 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment, refer to clause 320a.

Page 1|4

125e

Separating Layer (laid loose): As clause 695a.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-262381

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 25mm thickness as clause 740c.

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b, or 750b(3).

Insulated upstands: As clause 750c, 750c(1), 750c(3), 750(3)1, 750(4) and 750(4)1 where required.

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

Page 2|4

125e 10)

Filter Membrane: As clause 440b.

11)

Insulation/Protection: As clause 440a.

11.1

Laying:

As clause 810.

12)

Permeable Membrane: As clause 440c.

13)

Stone Ballast: As clause 460a. Note:

Selection of roof barrier drainage layer, growing medium vegetation and paved areas to Landscape Architects design.

14)

Guarantees: As clause 940a.

14.1

Insurance backed as 940b.

15)

Accessories (where required):

15.1

Timber for trims as clause 330 and 640.

15.2

Edge trims as clause 345 and 785a.

Page 3|4

125e

15.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

16)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

135a

135 a J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 135 GENERAL Types of coating:

GuaraFLEX Asphalt

(Cold Roofing)

Polymer modified asphalt cold roof system for new build or refurbishment (concrete decks). 135 a 1)

Substrate: Insitu concrete or precast concrete planks grouted /laid flat or to falls/screeded to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for Overlay Existing Coverings: Refer to clause 610a and 630a.

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

135a

Screeds:

7.1

For new build, refer to clause 610c.

7.2

For refurbishment Guarascreed as 610c may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

Separating Layers for Overlay System: Layed loose as clause 695f (13mm thickness) and 695c bonding.

Separating Layer for New Build (Under Guarascreed): Refer to clause 695b or 695a for refurbishment where temporary waterproofing is required.

10)

Separating Layer Over Other Screed: Refer to clause 695a.

Page 2|4

135a

11)

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-262381

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

- Product reference:

GuaraFLEX PR polymer modified asphalt -

Over Guarascreed – (20mm thickness) refer to clause 740a.

Over other screeds – (20mm thickness) refer to clause 740b.

For flat decks with no falls – (25mm thickness) refer to clause 740c.

12)

Upstands: Coverings to upstands, kerbs and the like as clause 750a, 750b or 750b (3).

12.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

Page 3|4

135a

13)

Surface protection to areas not subject to foot traffic: Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

14)

Surface protection to areas subject to foot traffic: Guaranteed porous concrete tiles, as clause 470a and 860a. Note:

Other types of tiles may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8772

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

15)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

15.1

Insurance backed as 940b.

16)

Accessories (where required):

16.1

Timber for trims as clause 330 and 640.

16.2

Edge trims as clause 345 and 785a.

16.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web: www.guaranteedasphalt.com 17)

Completion: As clauses 910 and 940.

Page 4|4

135b

135 b J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 135 GENERAL

Types of coating:

GuaraFLEX Asphalt

(Cold Roofing)

Polymer modified asphalt cold roof system, for new build or refurbishment (timber or metal decks). 135 b 1)

Substrate: Profiled metal/timber or plywood decking, designed in accordance with BS 6229:2003, laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

135b

Separating layer (loose laid): As clause 695a over insulation.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-262381

7781

020-7732-

Email: gacorby@talk21.com Web:

- Product reference:

Technical Services:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt â&#x20AC;&#x201C; 20mm thickness as clause 740b over separating layer.

Upstands: Coverings to upstands, kerbs and the like as clause 750a 750b, 750(b) 3 or 750d,

recommended by Guaranteed Asphalt Ltd. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

7.1

www.guaranteedasphalt.com

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com Note:

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

Page 2|4

135b

Surface protection: Solar reflective paint for areas not subject to foot traffic. Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

Surface protection: Porous concrete tiles for areas subject to foot traffic. Guaranteed porous concrete tiles as clause 470a and 860a to access walkways and promenade surfaces, bonded to GuaraFLEX PR in strict accordance with manufacturers instructions. Note:

Other types of tiles may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

01536-262381. Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

10)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

10.1

Insurance backed as 940b.

Page 3|4

135b 11)

Accessories (where required):

11.1

Timber for trims as clause 330 and 640.

11.2

Edge trims as clause 345 and 785a.

11.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

12)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

135c

135 c J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 135 GENERAL

Types of coating:

GuaraFLEX Asphalt

(Cold Roofing)

Polymer modified asphalt cold roof system for new build (concrete deck flat or to falls - total bonding). 1)

Substrate: Insitu concrete, smooth float finish, laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a, 610b(1) and 620a.

3.2

For new build, refer to clause 610a and 610b(1).

Priming: For new build or refurbishment refer to clause 320a.

Bonding Layer: As clause 695c.

Page 1|3

135c

Screeds: Where falls are required but not provided within the concrete substrate, use Guarascreed laid over bonding layer, refer to clause 610c.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel: 7781

01536-262381

020-7732-

Email: gacorby@talk21.com Web:

- Product reference:

Technical Services:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 15mm thickness as clause 740d over bonding layer.

Upstands: Coverings to upstands, kerbs and the like as clause 750a, 750b or 750b (3).

8.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

Note:

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web: 9)

www.guaranteedasphalt.com

Protection: As clause 610e and 610f.

Page 2|3

135c 10)

Surface Finishes: Typically - brick/block paviours, paving slabs, tiles, timber decking etc. Consult with Guaranteed Asphalt for recommendations and advice on installation & additional protection. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

11)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web: 13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940

Page 3|3

135d

135 d J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 135 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Buried roof garden uninsulated)

Polymer modified asphalt cold roof garden system for new build or refurbishment (concrete decks), for roof gardens, podiums and the like, hard landscaping, brick/concrete planters, hard pavings. 135 d 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build. For new build, refer to clause 610a and 610b.

Page 1|4

135d

Priming: For new build or refurbishment refer to clause 320a.

Separating Layer: As clause 695a.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-262381

7781

020-7732-

Email: gacorby@talk21.com Web:

Note:

Technical Services:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 25mm thickness as clause 740c.

Upstands: Coverings to upstands, kerbs and the like as clause 750a 750b, 750(b) 3 or 750d, as recommended by Guaranteed Asphalt Ltd. Tel:

01536-262381

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

www.guaranteedasphalt.com

Page 2|4

135d 9)

Insulated upstands: As clause 750c where required.

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

10)

www.guaranteedasphalt.com

Permeable Membrane: As clause 440c.

11)

Protection for Waterproofing: As clause 440a(2).

Note:

Planters, paved areas, selection of growing medium and vegetation shall be to the Landscape Architects design, constructed off the structural topping.

12)

Guarantees: As clause 940a.

12.1

Insurance backed as 940b.

13)

Accessories (where required):

13.1

Timber for trims as clause 330 and 640.

13.2

Edge trims as clause 345 and 785a.

Page 3|4

135d 13.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

14)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

135e

135 e J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 135 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Buried green roof uninsulated)

Polymer modified asphalt cold green roof system for new build or refurbishment (concrete decks), for green roofs, podiums and the like. 135 e 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build. For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

135e

Separating Layer: As clause 695a.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel: 7781

Technical Services:

020-7732-

Email: gacorby@talk21.com Web:

Note:

01536-260995

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277 8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt, 25mm thickness as clause 740c.

Upstands: Coverings to upstands, kerbs and the like as clause 750a, 750b or 750b (3).

Insulated upstands: As clause 750c where required.

Page 2|4

135e

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Technical Services:

020-7732-7781

Email: gacorby@talk21.com Web:

10)

www.guaranteedasphalt.com

Protection for Waterproofing: As clause 610e

11)

Filter Membrane: As clause 440b

12)

Stone Ballast: As clause 460a Note:

Selection of roof barrier, drainage layer, growing medium, vegetation and paved areas to Landscape Architects design.

13)

Guarantees: As clause 940a.

13.1

Insurance backed as 940b.

14)

Accessories (where required):

14.1

Timber for trims as clause 330 and 640.

14.2

Edge trims as clause 345 and 785a.

Page 3|4

135e

14.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

15)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155a

155a J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 1 ECONOMY CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal Paving/Flooring)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (unheated) internal decks not subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle. 155 a 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|3

155a

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course. To falls/slopes not exceeding 5o from horizontal covering to deck. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995.

Email: info@guaranteedasphalt.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

- Product reference: Guaranteed Standard Paving 25mm thickness - as clause 740f (s). - Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

Abutments: Angle fillets, as clause 750b(1).

Guarantees: As clause 940a.

8.1

Insurance backed as 940b.

Page 2|3

155a 9)

Accessories (where required):

9.1

Timber for trims as clause 330 and 640.

9.2

Edge trims as clause 345 and 785a.

9.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773.

Email: info@guaranteedasphalt.com Web:

10)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155b

155b J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 2 ECONOMY CAR DECK/FLOOR FINISH NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

Types of coating:

GuaraFLEX Asphalt

(Internal Waterproofing Paving/Flooring)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (heated) internal floor areas and decks, not subject to water runoff for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle. 155 b 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Page 1|3

155b

Priming: For new build or refurbishment refer to clause 320a. 5)

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course. To falls/slopes not exceeding 5o from horizontal covering to deck. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

- Product reference:

Guarascreed Floor Screed 25mm thickness - as clause 740g (f).

- Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

Abutments: Angle fillets, as clause 750b(1).

Guarantees: As clause 940a.

8.1

Insurance backed as 940b.

Page 2|3

155b

Accessories (where required):

9.1

Timber for trims as clause 330 and 640.

9.2

Edge trims as clause 345 and 785a.

9.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773.

Email: info@guaranteedasphalt.com Web:

10)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155c

155 C J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 3 ECONOMY CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (unheated) internal decks, subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle. 155 c 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Page 1|3

155c

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

5.1

For new build, refer to clause 610d(1).

5.2

For refurbishment Guarascreed as 610d(1) may be used to enhance existing falls, where required. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 6)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g.

6.1)

As clause 695b where insurance-backed guarantee (940b) is required

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference: GuaraFLEX Standard Paving 25mm thickness - as clause 740f (s). - Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

8.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com.

Page 2|3

155c

Guarantees: As clause 940a.

9.1

Insurance backed as 940b.

10)

Accessories (where required):

10.1

Timber for trims as clause 330 and 640.

10.2

Edge trims as clause 345 and 785a.

10.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Technical Services:

020-7732-7781.

Email: gacorby@talk21.com Web:

11)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155d

155d J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 4 ECONOMY CAR DECK/FLOOR FINISH NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal Waterproof Paving/Flooring)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated (heated) internal decks and walkways, subject to water run-off for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle. 155 d 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Page 1|3

155d

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

5.1

For new build, refer to clause 610d(1).

5.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 6)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraSCREED Floor Screed 25mm thickness as clause 740g (f).

- Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

8.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com.

Page 2|3

155d

Guarantees: As clause 940a.

9.1

Insurance backed as 940b.

10)

Accessories (where required):

10.1

Timber for trims as clause 330 and 640.

10.2

Edge trims as clause 345 and 785a.

10.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155e

155e J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 5 ECONOMY CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

Guaraflex Asphalt

Types of coating:

(External Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Un-insulated external decks for multi-storey roof top car parks, for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle. 155 e 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Page 1|3

155e

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment Guarascreed as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

Guaraflex Standard paving 25mm thickness polymer modified asphalt - as clause 740f (s).

- Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

9.1

Guaraflex PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com.

Page 2|3

155e

10)

Guarantees: As clause 940a.

10.1

Insurance backed as 940b.

11)

Accessories (where required):

11.1

Timber for trims as clause 330 and 640.

11.2

Edge trims as clause 345 and 785a.

11.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773.

Email: info@guaranteedasphalt.com Web:

12)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155e (2)

155e (2) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 5 (2) ECONOMY PLUS CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Page 1|4

155e (2) 4)

Preparation for New Build: Refer to clause 610a and 610b. 5)

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: - Product reference:

www.guaranteedasphalt.com GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d (1).

Page 2|4

155e (2)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PP 25mm thickness polymer modified asphalt as clause 740f(s).

- Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

Page 3|4

155e (2)

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155e (3)

155e (3) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 5 (3) STANDARD CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Page 1|4

155e (3)

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment Guarascreed as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP.

Tel:

01536-260995

Email: info@guaranteedasphalt.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: www.guaranteedasphalt.com - Product reference:

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

Page 2|4

155e (3)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PP 25mm thickness polymer modified asphalt as clause 740f.

- Surface finish:

Sand rubbed smooth finish. Terrazzo exposed aggregate finish Crimped with indenting roller

10)

Upstands:

Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX R mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

Page 3|4

155e (3)

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773.

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155e (4)

155e (4) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 5 (4) STANDARD PLUS CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

155e (4)

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP.

Note:

Tel:

01536-260995.

Email:

info@guaranteedasphalt.com

Web:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

Page 2|4

155e (4)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PP 25mm thickness polymer modified asphalt as clause 740f.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 13)

www.guaranteedasphalt.com

Completion:

Page 3|4

155e (4)

As clauses 910 and 940.

Page 4|4

155e (5)

155e (5) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 5 (5) SUPER CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Page 1|3

155e (5)

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email:

info@guaranteedasphalt.com

Web:

www.guaranteedasphalt.com

- Product reference:

GuaraFLEX PR 20mm thickness polymer modified asphalt - as clause 740b.

Page 2|3

155e (5) 9)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PP 25mm thickness polymer modified asphalt as clause 740f.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3). GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Consult with Guaranteed Asphalt Limited for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt Limited for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155e (6)

155 E (6) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 5 (6) SUPER PLUS CAR DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|3

155e (6)

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email:

info@guaranteedasphalt.com

Web:

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 20mm thickness polymer modified asphalt - as clause 740b.

Page 2|3

155e (6) 9)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PP 25mm thickness polymer modified asphalt as clause 740f.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b. or 750b GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155f

155f J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 6 ECONOMY LORRY DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated external elevated decks for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle. 155 f 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Priming:

Page 1|5

155f

For new build or refurbishment refer to clause 320a.

Page 2|5

155f

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment Guarascreed as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: gacorby@talk21.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d (i).

Page 3|5

155f

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 40mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. 14 or 20mm pre-coated chippings in high stress areas. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion:

Page 4|5

155f

As clauses 910 and 940.

Page 5|5

155f (2)

155 F (2) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 6 (2) STANDARD LORRY DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Uninsulated external elevated decks for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle. 155 f (2) 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Page 1|5

155f (2)

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g and 695h where applicable.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thickness polymer modified asphalt - as

Page 2|5

155f (2)

clause 740d (i).

Page 3|5

155f (2)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 40mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. 14 or 20mm pre-coated chippings in high stress areas. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

Page 4|5

155f (2)

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 5|5

155f (3)

155 F (3) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 6 (3) STANDARD PLUS LORRY DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|3

155f (3)

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment Guarascreed as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b and 695h where applicable.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: gacorby@talk21.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: - Product reference:

www.guaranteedasphalt.com GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck.

Page 2|3

155f (3)

- Product reference:

GuaraFLEX PPH 40mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. 14 or 20mm pre-coated chippings in high stress areas. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155f (4)

155 F (4) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 6 (4) SUPER LORRY DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Page 1|4

155f (4)

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment Guarascreed as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695g or 695h where applicable.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995.

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Page 2|4

155f (4)

- Product reference:

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 50mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. 14 or 20mm pre-coated chippings in high stress areas. Sand rubbed smooth finish. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770.

Page 3|4

155f (4)

Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155f (5)

155 F (5) J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 6 (5) SUPER PLUS LORRY DECK NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(External Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Page 1|4

155f (5)

Preparation for New Build: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b or 320b where applicable

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Page 2|4

155f (5) - Product reference:

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 50mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. 14 or 20mm pre-coated chippings in high stress areas. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

Page 3|4

155f (5)

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

13)

020-7277-8773

Email:

info@guaranteedasphalt.com

Web:

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155g

155 G J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 7 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal/External Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). External ramps not exceeding 1 in 10 gradient, uninsulated for cars and light commercial vehicles, maximum wheel load 2.0 tonnes per axle. 155 g 1)

Substrate: Insitu concrete lightly tamped.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Page 1|4

155g

Preparation for New Build: Refer to clause 610a and 610b.

Page 2|4

155g

Priming: For new build or refurbishment refer to clause 320a.

Separating layer (loose laid): As clause 695e.

Mastic Asphalt Waterproofing: To falls/slopes not exceeding 10o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 10o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: - Product reference:

www.guaranteedasphalt.com GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: - Product reference:

GuaraFLEX PPH 25mm thickness polymer modified asphalt as clause 740f.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

Page 3|4

155g

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 10)

www.guaranteedasphalt.com..

Guarantees: As clause 940a.

10.1

Insurance backed as 940b.

11)

Accessories (where required):

11.1

Timber for trims as clause 330 and 640.

11.2

Edge trims as clause 345 and 785a.

11.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

12)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155h

155 H J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 8 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal/External Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). External ramps not exceeding 1 in 10 gradient for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle. 155 h 1)

Substrate: Insitu concrete lightly tamped.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for New Build: Refer to clause 610a and 610b.

Page 1|3

155h

Priming: For new build or refurbishment refer to clause 320a.

Separating layer (loose laid): As clause 695e.

Mastic Asphalt Waterproofing: To falls/slopes not exceeding 10o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 10o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740g.

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: - Product reference:

GuaraFLEX PP 30mm thickness polymer modified asphalt as clause 740f.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

Page 2|3

155h

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

9.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

10)

www.guaranteedasphalt.com.

Guarantees: As clause 940a.

10.1

Insurance backed as 940b.

11)

Accessories (where required): Timber for trims as clause 330 and 640. Edge trims as clause 345 and 785a. Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

12)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 3|3

155i

155 I J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 9 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal/External Insulated Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for cars and light commercial vehicles, maximum wheel load 2 tonnes per axle. 155 i 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls. Note:

Provision should be made for removal of entrapped moisture in accordance with the requirements of BS 6229:2003.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for New Build: Refer to clause 610a and 610b.

Page 1|4

155i

Insulation: As clause 440a. For alternative insulation, consult with Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email:

info@guaranteedasphalt.com

Web:

www.guaranteedasphalt.com

and advice.

Protection: As clause 440a(1) over insulation.

Screeds:

6.1

For new build, refer to clause 610d.

6.2

For refurbishment GuaraSCREED as 610c may be used to enhance existing falls, if required. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Priming: For new build or refurbishment refer to clause 320a.

Separating layer (loose laid): As clause 695b.

Page 2|4

155i

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: www.guaranteedasphalt.com

- Product reference:

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

10)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PP 25mm thickness polymer modified asphalt as clause 740f.

- Surface finish: Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

11)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

Page 3|4

155i 12)

Insulated upstands: As clause 750c where required.

12.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Refurbishment: REFER TO SPECIFICATION J21 155 E.

14)

Guarantees: As clause 940a.

14.1

Insurance backed as 940b.

15)

Accessories (where required):

15.1

Timber for trims as clause 330 and 640.

15.2

Edge trims as clause 345 and 785a.

15.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

16)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155j

155 J J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 10 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal/External Insulated Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for heavy commercial vehicles, maximum wheel load 10.5 tonnes per axle. 155 j 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls. Note:

Provision should be made for removal of entrapped moisture in accordance with the requirements of BS 6229:2003.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for New Build: For new build, refer to clause 610a and 610b.

Additional Protection for High Stress Areas: Refer to clause 660b.

Page 1|4

155j

Insulation: As clause 440a. For alternative insulation, consult with Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Protection: As clause 440a(1) over insulation.

Screeds: For new build, refer to clause 610c. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Priming: For new build or refurbishment, refer to clause 320a.

Refurbishment: REFER TO SPECIFICATION J21 155 F. Where insulation and concrete protection layer is retained.

10)

Separating layer (loose laid): As clause 695b.

Page 2|4

155j

11)

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

12)

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 40mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. Pre-coated chippings 14 or 20mm in high stress areas. Terrazzo exposed aggregate finish

13)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

14)

Insulated upstands:

Page 3|4

155j As clause 750c where required. 14.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

15)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

15.1

Insurance backed 940b.

16)

Accessories (where required):

16.1

Timber for trims as clause 330 and 640.

16.2

Edge trims as clause 345 and 785a.

16.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

17)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155k

155 K J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 11 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal/External Insulated Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for car and light commercial vehicles, maximum wheel load 2 tonnes per axle. (Dry Fast-Track System) 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2,1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Page 1|4

155k 4)

Priming: For new build or refurbishment refer to clause 320a.

Insulation: As clause 430c.

5.1

Attachment:

As clause 680a.

5.2

Alternative insulation as clause 430e

5.3

Vapour control layer as clause 395a Consult with Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 7)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX R 10mm thickness polymer modified asphalt - as

Page 2|4

155k clause 740d. - Asphalt concrete:

As clause 430e(1).

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 25mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b.

11)

Insulated upstands: As clause 750c where required.

11.1

GuaraFLEX R mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: www.guaranteedasphalt.com 12)

Guarantees: As clause 940a.

12.1

Insurance backed as 940b.

13)

Accessories (where required):

13.1

Timber for trims as clause 330 and 640.

13.2

Edge trims as clause 345 and 785a.

Page 3|4

155k

13.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

14)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155l

155 L J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 12 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Internal/External Insulated Waterproof Paving)

Polymer modified asphalt system for new build or refurbishment (concrete decks). Insulated decks for heavy goods vehicles, maximum wheel load 10.5 tonnes per axle. (Dry Fast-Track System) 155 l 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Page 1|4

155l 4)

Priming: For new build or refurbishment refer to clause 320a.

Insulation: As clause 430c. Consult with Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

5.1

Attachment:

As clause 680a.

Separating layer (loose laid): As clause 695d.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

- Asphalt concrete:

As clause 430e(1).

Page 2|4

155l

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 30mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. Pre-coated chippings 14 or 20mm in high stress areas. Terrazzo exposed aggregate finish

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10)

Insulated upstands: As clause 750c where required.

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 11)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770.

Page 3|4

155l Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155m

155 M J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3691 - PROPRIETARY SYSTEM 13 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Covered Insulated Waterproof Paving)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For new build, refer to clause 610a and 610b.

Page 1|4

155m

Priming: For new build or refurbishment refer to clause 320a.

Insulation: As clause 430e. Consult with Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

5.1

Attachment:

As clause 680a.

5.2

Alternative insulation:

As clause 430e.

5.3

Vapour control layer:

As clause 395a. Consult with Guaranteed Asphalt for

recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: 6)

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web: Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: www.guaranteedasphalt.com

Page 2|4

155m

- Product reference:

GuaraFLEX PR 10mm thickness polymer modified asphalt - as clause 740d.

- Asphalt concrete:

As clause 430e(1).

Horizontal Mastic Asphalt Paving/Protection Layer/Wearing Course: To slopes not exceeding 5o from horizontal covering to deck. - Product reference:

GuaraFLEX PPH 25mm thickness polymer modified asphalt as clause 740g.

- Surface finish:

Sand rubbed and crimped with indenting roller. Terrazzo exposed aggregate finish

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10)

Insulated upstands: As clause 750c where required.

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: www.guaranteedasphalt.com 11)

Guarantees: As clause 940a.

11.1

Insurance backed as 940b.

12)

Accessories (where required):

Page 3|4

155m

12.1

Timber for trims as clause 330 and 640.

12.2

Edge trims as clause 345 and 785a.

12.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

13)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155n

155 N J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Cold Roof Waterproof Paving)

Polymer modified asphalt cold roof system for new build or refurbishment (concrete decks), podiums, pedestrian access areas, balconies, etc. 1)

Substrate: Insitu concrete or precast concrete planks grouted/laid flat/to falls/screeded to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment - reuse existing outlets.

Preparation for Refurbishment: For removal of existing coverings, refer to clause 610a and 620a.

Preparation for Newbuild: Refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

155n

Screeds:

6.1

For new build, refer to clause 610d(1).

6.2

For refurbishment GuaraSCREED as 610d(1) may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Separating layer (loose laid): As clause 695b.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to deck. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web:

Note:

www.guaranteedasphalt.com

For decks sloping over 5o, refer to Guaranteed Asphalt for recommendations. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

- Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR 10mm thick polymer modified asphalt - as clause 740d.

Paving/Protection Layer/Wearing Course:

Page 2|4

155n

GuaraFLEX R polymer modified asphalt, as clause 740e. 9.1

Where required, additional surface protection may be provided - as clause 470a and 860a.

9.2

Terrazzo exposed aggregate finish where required.

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

11)

www.guaranteedasphalt.com

Surface protection: - Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt not subject to foot traffic.

11.1

As clause 470a for areas subject to foot traffic.

12)

Guarantees: As clause 940a.

12.1

Insurance backed as 940b.

13)

Accessories (where required):

13.1

Timber for trims as clause 330 and 640.

13.2

Edge trims as clause 345 and 785a.

13.3

Movement joints as clause 380 and 770.

Page 3|4

155n

Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

14)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

155p

155 P J21 MASTIC ASPHALT ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARAFLEX POLYMER MODIFIED MASTIC ASPHALT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 155 GENERAL

GuaraFLEX Asphalt

Types of coating:

(Warm Roof Waterproof Paving)

Polymer modified asphalt warm roof system for new build or refurbishment (concrete decks) podiums, pedestrian access areas, balconies etc. 155 p 1)

Substrate: In situ concrete/precast concrete planks grouted/laid flat or to falls.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation:

3.1

For removal of existing coverings, refer to clause 610a and 620a.

3.2

For overlay of existing coverings, refer to clause 610a and 630a.

3.3

For new build, refer to clause 610a and 610b.

Priming: For new build or refurbishment refer to clause 320a.

Page 1|4

155p

Screeds:

5.1

For new build, refer to clause 610c.

5.2

For refurbishment Guarascreed as 610c may be used to enhance existing falls. Note:

Other types of screed may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Vapour control layer: As clause 395a. Laying as clause 670a.

Insulation: As clause 430a, 430c, 430e.

7.1

Attachment: As clause 680a.

Separating layer (loose laid): As clause 695a over insulation.

Horizontal Mastic Asphalt Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. -

Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

01536-260995.

Email: gacorby@talk21.com Web: - Product reference:

www.guaranteedasphalt.com

GuaraFLEX PR polymer modified asphalt as clause 740a over Guarascreed or 740b over insulation, where Guarascreed is not used.

Page 2|4

155p

10)

Upstands: Coverings to upstands, kerbs and the like as clause 750a and 750b or 750b (3).

10.1

GuaraFLEX PR mastic asphalt upstands may be used as clause 750d. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web: www.guaranteedasphalt.com 11)

Insulated upstands: As clause 750c where required.

12)

Surface protection: Solar reflective paint for areas not subject to foot traffic. Guaranteed solar reflective paint as clause 495 and 545 to exposed asphalt.

13)

Other types of tiles may be used. Refer to Guaranteed Asphalt for recommendations and advice. Tel:

01536-260995

Email: info@guaranteedasphalt.com Web: 14)

www.guaranteedasphalt.com

Guarantees: As clause 940a.

14.1

Insurance backed as 940b.

15)

Accessories (where required):

Page 3|4

155p

15.1

Timber for trims as clause 330 and 640.

15.2

Edge trims as clause 345 and 785a.

15.3

Movement joints as clause 380 and 770. Consult with Guaranteed Asphalt for recommendations and details. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

16)

www.guaranteedasphalt.com

Completion: As clauses 910 and 940.

Page 4|4

100 J31 LIQUID APPLIED ROOFING FINISHES TO BE READ IN CONJUNCTION WITH PRELIMINARIES/GENERAL CONDITIONS GUARATEC RUBBERIZED HOT MELT BBA AGREMENT CERTIFICATE NO: 00/3701 NATIONAL BUILDING SPECIFICATION (NBS) 100 GENERAL

GuaraTEC Hot Melt

Types of coating:

(Protected Waterproofing)

Hot Melt system for new build or refurbishment (concrete decks). 100 1)

Substrate: In situ concrete or precast concrete planks grouted.

Outlets:

2.1

For new build refer to clause 310a.

2.2

For refurbishment reuse existing outlets.

Preparation: As clause 610h. Surface to be dry, clean and free from all contaminants including oil, grease, laitance, dirt and debris. Advanced bond tests must be carried out by certified personnel and recorded on all areas.

Priming: For new build or refurbishment refer to clause 320a, applied as clause 655.

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Horizontal Waterproofing: To falls/slopes not exceeding 5o from horizontal covering to decks. Cappings to kerbs, channels, gutters and the like. - Manufacturer:

Manufacturing Division, Guaranteed Asphalt Limited, Earlstree Industrial Estate, Princewood Road, Corby, Northants NN17 4AP. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web: - Product reference:

www.guaranteedasphalt.com

GuaraTEC 6mm thickness - as clause 655a

Protection Sheet layer: GuaraFELT Protection sheet clause as clause 353-07 laid per clause 655a

Insulation: As clause 440a.

Upstands: Coverings to upstands, kerbs and the like as clause 770a Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

Surface protection: (See Insulation 440a) Paving slabs on support pads per clause 465 or 20-40 ballast or living roof options available: Refer to Guaranteed Asphalt for recommendations and advice. Tel:

020-7277-8773

Email: info@guaranteedasphalt.com Web:

www.guaranteedasphalt.com

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10)

Guarantees: As clause 940a.

10.1

Insurance backed as 940b.

11)

Completion: As clauses 910 and 940.

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