Sipnews

sipnews the magazine from the UKSIP Association

UKSIP Association sign groundbreaking Timber Accord collaboration agreement

Fabric First Event report, industry news and technical updates

- the voice of the UK SIP industry

Feature Article: the route to thermal efficiency and low energy homes using SIPS

SIPS Industries picks up the Best Use of SIPS Award at the Build It Awards 2012

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Welcome to the first issue of SIP News Magazine – the new communication channel from the UK SIP Association - providing you with the latest updates and developments in the low energy building arena.

It is fair to say that the construction industry has witnessed a significant rise in the use of Structural Insulated Panels for use in the erection of both residential and commercial buildings in recent times, with our members stating growth figures of around 26 to 32% and still climbing! It seems like we have waited a long time for interest levels to hit a constant upward trajectory but now that ‘fabric first’ principles are understood and being adopted it appears that SIPS technology has finally broken through into the mainstream.

SIP construction provides very thermally efficient buildings with a much improved air tightness,

contributing significantly to energy conservation and carbon reduction, whilst providing excellent performance when assessed against the Code for Sustainable Homes and Passivhaus principles. In addition to these features, when using structural insulated panels in conjunction with concrete or steel framed building techniques, for infill or cladding, the improvements in the speed of construction are significant too.

We would encourage anyone associated with SIP supply or manufacture, specification, design or construction to engage with us via our website www.uksips.org. We have a wealth of information online plus member search tools, case studies, technical bulletins, a project enquiry system and much more! This SIP News magazine is an information resource for updates, reviews and SIPS industry intel!

The UK SIP Association was incorporated in April 2009 and has grown in line with demand, responding to technical challenges that may occur with modern building techniques, provide information required by the market on SIP construction in a broader context and communicating to members the influences and issues that may impact the SIP industry. We are moving in to a new phase with the launch of SIP News magazine.

We hope you enjoy the read…and would appreciate your feedback on this maiden SIP News issue via info@uksips.org

Best Regards

Charles Stewart Chairman UK SIP Association

Contents Industry News .................................................................................................... 4 - 7 Timber Accord ................................................................................................ 8 - 10 Toolbox Talks ..........................................................................................................10 SIPS Technology ............................................................................................12 - 17 The Future of Low Energy Construction ............................................................18 UKSIP Association Membership .........................................................................19 Fabric First Event .................................................................................................. 21 SIPS in Action ............................................................................................... 22 - 24 Technical Bulletins ............................................................................................... 26

The views expressed in SIP News are not necessarily those of the UK SIPS Association. (Cover image courtesy of Innovaré - HABM Mayfield Road)

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industry news

Sandwell Schools Given SIPS Boost Innovaré Systems has been appointed by Interserve Construction to start work on an extension to Rowley Hall Primary School, in Rowley Regis, West Midlands. The new £3 million school building for Sandwell Metropolitan Borough Council will be built using SIPS and is part of the Council’s £7 million schools building programme.

The new 1,500 sqm (16,145sqft) building will provide new classrooms, group teaching spaces, a nursery and a new kitchen for the school.

The building has been designed by the Authority’s in-house architectural team and is a mix of one and two-storey buildings with pitched and flat roofs.

Innovaré is supplying the 162mm wall panels, and 373mm floor joists with a 22mm acoustic deck, as well as providing two roof variations – the flat roof is standard trusses with a ply top deck. The pitched roof is standard trusses with 162mm i-SIPS panels seated on top.

Peter Blunt, Managing Director at Innovaré, said: “The extension to the school will help accommodate additional primary school places. It means that the school will be able to operate a new three form entry system, and will also help create up to thirty new jobs.”

Completion at all three sites is expected for August 2013. www.ismanufacturing.co.uk

New Plasterboard to Benefit SIPS Build Clients, installers and stockists will benefit from the Knauf Plasterboard range, developed

by Knauf to offer a wider range of performance options from a smaller number of board types while introducing two high performance products for demanding commercial applications – Knauf Performance Plus and Knauf Soundshield Plus.

of boards and gives a higher level of sound performance than standard wallboard thanks to its minimum density of 10kg/m² making it ideal for residential projects where Approved Document E recommends a minimum weight of 10kg/m². www.knaufinsulation.co.uk

Where specifications require a level of sound, fire, moisture, vapour or impact resistance, over and above standard plasterboard then Knauf ’s ‘Panel’ product groups will help.

Knauf Vapour Panel – previously Vapourshield – has a metalised polyester foil laminated to the back face to create an effective vapour barrier for lining external walls.

Developed to meet Approved Document E in residential applications, 12.5mm Knauf Sound Panel is the latest addition to the Panel group

- the voice of the UK SIP industry

SIPS Industries Scoop Industry Award SIPS Industries recently picked up the Best Use of SIPS Award at the Build It Awards 2012.

The Judges commented: “The winning project combined a characterful oak frame with highly insulated panels, as well as solar PV and thermal systems. The result is a home that’s so energy efficient, a recovery system is the primary heating source.”

The overall design concept was to create a simple, elegant fourbedroom family house capable of future adaptations with minimal fuss. The contemporary oak frame uses a SIPS wall and roof system to ‘cloak’ the building with an incredibly efficient thermal shell. The result is a dramatic and exciting interior space within a highly insulated building. www.self-build.co.uk www.sipsindustries.com

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NHBC Advocate Fabric First A new guide by the NHBC Foundation advises that a fundamental review of housing design is needed if the UK is to produce successful low carbon homes for the future.

The NHBC Foundation guide Designing homes for the 21st Century – lessons for low energy design explores the challenges of designing zero carbon homes and helps identify the processes needed to achieve cost effective and practical design. It finds that current design and procurement practices need to change if these are to be addressed.

With new homes containing more technology than ever

before, the housebuilding industry faces unprecedented challenges to build homes that achieve zero carbon performance whilst providing a comfortable and healthy indoor environment. There are concerns that new technology may not be delivering to its full potential and the drive to conserve energy could inadvertently invite other problems such as overheating and poor indoor air quality.

splits into four stages: evaluation, best practice, integration and optimisation.

It advocates a 'fabric first' approach making sure that insulation, airtightness and ventilation are designed to give the best practical performance before low carbon technologies are applied.

The aim of the guide is to promote a better understanding of the 'whole' without getting drawn into the detail of specific technological solutions or regulations, proposing a model for planning new homes that

www.nhbcfoundation.org/21stCenturyhomes

The UK SIP Association run a series of collaborative Fabric First events with the UKTFA for more details or to pre-register for the next event visit www.fabricfirstevent.co.uk

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industry news

Over in the USA, SIPS have been used by world-renowned architect Frank Gehry to sustainably rebuild over 150 homes in the Lower Ninth Ward of New Orleans. After touring the storm-damaged neighborhood, actor and activist Brad Pitt partnered with architecture firm McDonough + Partners to found Make it Right. A major goal of the non-profit organisation was to construct each home in an affordable and sustainable way.

All Make It Right homes are LEED Platinum certified—the highest level under the US Green Building Council’s green building rating system. The 1,780 sqft. duplex is one of only 22 Gehry residences in the United States.After experimenting with several different framing solutions, Make It Right settled on SIPS from SIPS Team USA as their preferred building method.

Their homes built with a SIP building envelope have HERS indexes in the range of 17 to 24, about 80% more energy-efficient than a home built to US building codes. www.sips.org

Frank Gehry & Make It Right choose SIPS Image © Chad Chenier Photography / Make It Right

Timber Expo and W14 co-locate for 2014 Two of the UK’s leading timber events will rub shoulders in 2014. As the UK’s national timber event, Timber Expo relocates to the NEC, Birmingham for 2013, event organisers TRADA Technology announce that in 2014, Timber Expo will be co-locating with the W14 exhibition. The initiative will be supported by a joint marketing campaign to highlight the further increased opportunities and value for exhibitors and visitors alike.

Timber Expo Event Director, Loretta Sales comments; “Collaboration has always been at the core of Timber Expo.

The move of Timber Expo to the NEC in 2013 is a major stepping stone for the show, but the collaboration with W14 in 2014 will add a further dynamic and permit visitors to both shows to maximum their time investment.

Timber Expo is 70% sold for 2013 and we are adding lots of new content in terms of features and seminar programmes.”

Angela McGowan, exhibition director of W14 added: “Both shows obviously have their

- the voice of the UK SIP industry

unique focus in the industry – W14 is the UK event for the joinery and furniture manufacturing industries and Timber Expo provides the focal point for specifiers, engineers and architects focusing on sustainable applications for timber technology in the built environment. This move is great news for the many visitors who would like to see both shows in a single visit.’’ www.timber-expo.co.uk

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UKSIPS Website Upgraded The Association website has been given added functionality with some exciting new features and elements.

New functions include: • New Enquiry system enabling users to search for SIPS members in their local area using the postcode tracker • Downloadable pack of Technical Bulletins written

by TRADA • Case Studies submitted by our members in the Case Study library

• Newsroom feature with up to date industry news, upcoming events and announcements • New 'Members Area' giving members the opportunity to contribute to discussions and post new topics of interest Project Enquiries If you have a live project and are considering using SIPS technology, you can submit

an enquiry via our online enquiry system and our members will contact you directly to discuss your requirements, offer advice or simply send you information on SIPS. For more information about the Association or the SIPS industry contact us: enquiries@uksips.org or visit www.uksips.org

Energy Efficiency SIPCO created a stunning contemporary family home in Cheshire using SIPS as the main construction method.

SIPCO designed and manufactured the 3000 sqft single-storey residence with the entire structure built from 150mm SIPS for external and internal walls. The Fabric First approach working alongside a highly efficient boiler, positive ventilation and a heat recovery system drove down energy usage to give an annual 2011/2012 Gas bill of only £624.71.

www.thesipcompany.com

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TIMBER

The UKSIP Association in collaboration with 11 influential trade associations within the timber sector will be taking part in the Timber Accord Pavilion later this year at Timber Expo 2013, at the NEC, Birmingham.

Situated at the heart of Timber Expo on the main exhibition floor, this will be a unique and unrivalled opportunity to touch base with prospective new business partners and promote the use of SIPS technology to a wide visitor base including architects, specifiers and housing developers. For those unfamiliar with this positive step towards joined-up working across the timber and wider construction industry, the Accord’s Common Goals and Objectives and all those involved are outlined here‌

- the voice of the UK SIP industry

9

Twelve trade bodies representing the supply chain of the forestry and timber industries have signed a working agreement to improve the competitiveness and performance across the timber sector.

The Accord was signed at the offices of the Timber Trade Federation last year by the Chief Executives of each of the Associations. It commits each to working together in areas of common interest and strategic goals, in particular to ensure that stakeholders see a joined up, collaborative approach and that best use is made of available funding and resources.

customers. The UK timber industry is worth roughly £10 billion a year – bigger than cement, concrete and a lot of other materials – and plays a vital role in our economy. Yet it can often seem overlooked as this is split between over 7500 small firms. This Accord will help us to act as one and show the importance of our sector to the UK economic recovery and low-carbon development.”

Implicit in this objective is an industry focus on customer needs and a drive for continual improvement in performance. The Accord establishes a framework and methods of working between the signatories to achieve its objectives.

John White, Chief Executive of the Timber Trade Federation, said: “This Accord formalises what we have often done on an informal basis – work together for the common good of the sector and our

Charles Stewart, Chair of the UKSIP Association and John White, Chief Executive of the Timber Trade Federation at the signing of the Timber Accord’

Can you afford to miss the timber business opportunity of the year?

Visit www.timber-expo.co.uk

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TOOLBOX

TALKS The Three Accord Principles:

The Signatories of the Accord are:

The signatories of the UK Timber Industries Associations' Accord agree to:

Iain Mcilwee, Chief Executive, British Woodworking Federation

1. Work together on timber representation, promotion and market development activity whenever it is feasible to do so. The timber industry needs to work together in complementary and mutually supportive ways to achieve maximum impact from its resources.

2. Endorse and support to the best of their abilities any initiative by any signatory to this Accord that is in line with this objective.

3. Recognise the close relationship that each signatory has with its own community and to use these close relationships to best effect when planning and undertaking any new initiative or activity. Signatories undertake to consider the opportunities from working with others in order to share resources and costs and to extend outreach and impact.

Stuart Goodall, Chief Executive Confor John Dye, President Timber Packaging and Pallet Confederation Andrew Abbott, Chief Executive, Timber Research and Development Association (TRADA) John White, Chief Executive, Timber Trade Federation Nick Boulton, Director, Trussed Rafter Association David Sulman, Director, UK Forest Products Association Andrew Carpenter, Chief Executive, UK Timber Frame Association David Hopkins, Director, Wood for Good Alastair Kerr, Director General, Wood Panel Industries Federation Steve Young, Wood Protection Association & Timber Cladding and Decking Association Charles Stewart, Chairman, UKSIP Association

Timber Expo will play host to the most in-depth programme of FREE seminars and workshops dedicated to timber technology.

For 2013 a new section of CPD presentations called ToolboxTalks has been added.

These will focus on the detail of processes, technologies and solutions on display at the show.

From manufacturing process to onsite engineering solutions, Toolbox Talks will complement the Timber Talks in the main seminar theatres and will be held in a purpose built 30 seat presentation theatre which is exclusive to exhibitors at Timber Expo.

Submit Your Presentation Proposal NOW. Deadline: 28 June 2013 In your email you should include: • Talk title/focus and target audience • An abstract of no more than a 100 words • Speaker name, job title and name of organisation • Speaker telephone number and email address • Availability to present on 24 and 25 September 2013 All proposals will be reviewed by the Timber Expo Editorial Board. To express an interest in presenting, contact Hannah Jones on 01743 290 048 or email hannah.jones@timber-expo.co.uk

- the voice of the UK SIP industry

www.thesipcompany.com

SIPCO are a leading supplier of Structural Insulated Panels to the construction industry. We can offer a range of services from SIP design, SIP panel supply and fabrication through to full kit supply.

• Self build • Education projects • Leisure projects • Domestic extensions • Panel fabrication solutions

Contact: 0844 335 3997 info@thesipcompany.com

Superior Building Solutions from One of the most advanced building systems available today offering: superior insulation, structural strength and airtightness.

New House Builds Schools Apartments Extensions Garden Rooms Annexes Holiday Homes Call now to find out how sips UK can fast track your build, saving time, money and environmental impact with our flexible building solutions.

contact@sips.uk.com

01933 353501

www.sips.uk.com

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What are SIPS and Why you should choose them?

The construction industry has witnessed a significant rise in the use of SIPS for use in the erection of both residential and commercial buildings. In the UK 60% of fossil fuels are used to heat buildings and half of this is housing. By far the most economical method of reducing fossil fuel use in housing is to reduce space heating demand.

SIPS have many of the answers‌ - the voice of the UK SIP industry

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SIPS and Thermal Losses Thermal losses are dictated by the hygrothermal performance – the transportation of heat, air and moisture through the building envelope. This exchange of energy and mass is due to differentials between indoor and outdoor temperatures, pressures and humidity conditions. The greatest benefits are achieved through appropriate specification of materials combined with accurate design detailing at critical junctions.

The composite nature of the SIP systems provides an efficient and effective solution to reducing thermal losses and therefore improving energy conservation.

Although each area is intrinsically linked, the hygrothermal performance can be split into the following sections for analytical assessment. Each area provides its own benefits and issues that require tradeoffs and comprises to reach an optimised and holistic solution.

Thermal Resistance (U-values) The thermal resistance of a material indicates its ability to transfer heat, in solids this is directly proportional to the material’s thickness since heat is transferred via conduction.

Therefore to improve the thermal resistance and reduce the

Required U-value (W/m2K)

U-value an increase in thickness of building elements is required.

Since the thermal resistance of a building element is only one part of its performance requirement, increasing the thickness of the insulation levels without combining them into an integrated approach to the overall performance would provide uneconomically thick elements. SIPS offer the efficiency of structural and thermal performance within one product. U-values as low as 0.11 W/m2K can be achieved through the use of SIPS whilst also limiting the increase in building dimensions (wall thickness).

Building Regulations

Predicted 2013 Values

Focusing on the Code for Sustainable Homes, The Energy Savings Trust has produced ‘backstop’ or minimum levels it believes are needed to achieve the relevant code requirements.

These are based on Fabric First principles by adapting an integrated design-led approach so that insulation, heating and ventilation systems work together to maximise cost effectiveness in construction, and minimise occupant fuel costs. These U-values can be achieved with relative ease using a SIP system.

Energy Savings Trust ‘backstop’ requirements Code 4

Code 5 & 6

Roofs

0.20

0.16

0.13

0.13

Walls

0.30

0.20

0.2

0.15

Table 1: U-value requirements to meet Code for Sustainable Homes levels

14

what are sips

The main benefit of SIPS over other panelised forms of construction is due to the limited quantity of repeating thermal bridges such as studs and noggins. Therefore a typical value of 94% of the panel area is counted as insulation when calculating the U-value of building components to BS EN ISO 8990.

Further thermal resistance gains can be achieved when assessing the surround build-up of the building element such as the cavity in a cavity wall. Providing a low-emissivity surface, such as aluminium foil, on the face of the SIP reduces the radiation transfer across the cavity, so that the airspace has a higher thermal resistance and therefore an associated reduction in U-value.

Note that care needs to be taken when applying this type of product since the majority require an un-ventilated airspace to be effective yet needs to be balanced against the associated interstitial condensation risk. It also needs

to be noted that in general, a minimum width of 25mm for the air-space is required before the low emissivity surface provides any thermal resistance gains.

Thermal Bridging (Y-values) Although repeating thermal bridges are accounted for within the U-value calculation, nonrepeating thermal bridges require special consideration.

Up to 15% of heat loss from the building envelope combined with the associated issues of localised condensation and mould build up can be attributed to these localised cold bridges.

Typically these occur around openings and junctions where there are gaps in insulation or materials of low thermal resistance are required for other envelope performance requirements.

The introduction of the amended Approved Documents of Part L in April 2010 meant that heat loss calculations were replaced by the concept o Fabric Energy Efficiency (FEE) putting more focus on thermal bridges

Fabric Energy Efficiency (FEE) The target levels of FEE to comply with the new Regulations mean that the dwelling will have to reach a ‘backstop’ energy target (kwh/m2/year) as well as the CO2 target (kg/m2/year).

Two ‘backstop’ options are presented in the 2013 Part L1A, with no clear recommendation consulted. The first is the 39/46 kWh/m2/year ‘full’ FEE standard; the second is the ‘interim’ FEE standard of 43/52 kwh/m2/year.

In the case of the ‘differentiated’ 8% target emission rate, the full FEE target with ‘efficient services’ including a condensing boiler and 100% low energy lighting would in many cases deliver the average 8% reduction.

The consultation document suggests that this would be the most cost effective way of meeting the carbon target; however some developers might prefer the flexibility associated with a lower ‘interim’ FEE.

Non accredited details

Accredited details

Enhanced Details

0.15

0.08

0.04

-

47%

73%

Y-value used for SAP and SBEM Calculations Approx % improvement of Thermal Bridging Heat Loss (W/K) compared to non-accredited details Table 2: Y-value requirements to meet Code for Sustainable Homes levels

- the voice of the UK SIP industry

when calculating the Dwelling Emissions Rate (DER) and FEEs.

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To assist in the drive for thermally efficient structures Accredited Construction Details were introduce to compliment Part L and more recently Enhanced Construction Details have been developed. These allow improved heat loss percentages to be used within the SAP and SBEM calculations provided the details are adhered to (effect shown in table 2 opposite).

Although SIPS are not demonstrated specifically within these details, it has been accepted and proven through third party accreditation processes (such as BBA) that the inherent benefits of SIPS, exceed Accredited Construction Details requirements and therefore the 8% heat loss value can be used as a minimum.

Upgrading to meet Enhanced Construction Detail requirements

is achievable using SIP through modelling and assessment of specific junction details at project level.

Airtightness Part L has put increased focus and weighting on the air tightness of the building envelope – ‘build tight – ventilate right’ is the mantra that has been adopted. The flow of air through a building is either controlled, i.e. through ventilation, or uncontrolled, i.e. through air leakage.

Maximum Air Permeability (m3/(h.m2) @ 50Pa

Air leakage is created by gaps and cracks in the fabric of the building and leads to unnecessary heat loss, discomfort, interstitial condensation, increased sound transmission, degradation of the building envelope and increased energy costs.

Air leakage (or air permeability) is the rate of leakage in cubic meters of air per hour per square meter of envelope area at a reference pressure difference of 50 Pascals.

Current Building Regulations

Energy Savings Trust best practice

SIPS Deliverables a standard

10

3

<3

Table 3: Airtightness requirements to meet Code for Sustainable Homes levels

16

layout and building usage (minimising heat gain through internal loading). There are numerous publications and literature on this area that are reliant on many external factors and therefore not covered here.

However to regulate these gains, the building fabric’s thermal storage needs to be considered.

SIP systems are capable of achieving excellent airtightness figures without the need for additional measures that would be required for most other building methods. The use of two layers of OSB and a central insulation core within a SIP provides a multi-layered air barrier combining low permeability materials. Large format panels and manufacturing tolerances limits the air leakage at connections and junctions.

This can assist in providing an air tight construction as low as 1m3/hour/m2 at 50 Pa. In general due to the large number of joints and junctions created by the majority of construction techniques combined with the inherent permeability and porosity of the materials involved means that creating an efficient air barrier can be difficult. This often means that the effectiveness of the air barrier is based on the quality of site workmanship, however the SIP system reduces this reliance on onsite workmanship through its detailing. Offsite manufacturing tolerances allow it to achieve excellent air tightness values that are more difficult to achieve with most other building methods.

Thermal Storage Lightweight construction techniques such as SIP, timber frame and light steel frame have been criticised in the past due to their lack of density and therefore their associated low thermal mass. However, it is a misnomer that the use of low density structural materials automatically prevents the provision of thermal storage within a building and vice versa.

The thermal mass (or admittance) of a material indicates how quickly a building element can absorb thermal gains. The thermal mass is reliant on three key requirements: - material density (In general only the first 100mm depth of a dense material will absorb heat from the air) - surface area (increasing the available surface area allows the heat to be absorbed more rapidly) - coupling (the dense material needs to be in direct contact with the air to provide the required thermal mass benefits)

SIPS and Thermal Gains Limiting thermal gains needs to be considered at the building design stage and will inform decisions on; orientation and aperture design (minimising heat gain through solar radiation);

- the voice of the UK SIP industry

The move towards dry-lining systems means that the air space behind the plasterboard has effectively insulated the room air from the structural envelope and limited its ability to absorb heat and provide thermal mass benefits (regardless of the structural envelope type).

Utilising wet plaster and dense finishing materials such as ceramic tiling on a SIP system provides a relatively high thermal mass within a well insulated envelope, giving an adequate balance between thermal resistance and storage.

This is highlighted in the Energy Saving Trusts paper “Reducing overheating – a designer’s guide” which provides admittance values for typical construction types, and shows that a timber based external wall panel with a plasterboard and wet plaster finish has a better thermal mass performance than a standard aircrete block with taped and jointed plasterboard finish.

It is worth noting that conversely too much thermal mass can cause problems due to the difficulty in cooling during warmer nights since it would put a greater reliance on ventilation to lower internal temperatures.

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Summary SIP systems provide a balanced approach to the hygrothermal performance that maximises gains in all areas without compromising others. The flexibility of the system permits a wide and varied building type and style to be built with very little restriction on size, shape and form – perfect for the self-builder!

With the Government’s commitment to the lowering of C0² Emissions in construction, together with numerous Government announcements that all new homes will be ZERO carbon by 2020 together with the launch of The Code for Sustainable Homes in May of 2007, thermal insulation and lower air leakage requirements within dwellings will increase dramatically. By adopting the use of Structural Insulated Panels, these new requirements can easily be achieved, especially when the SIP provider is integrated early enough in the design process to allow efficient and effective design.

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sip technology

SIPS

the future of low energy construction Structural Insulated Panels – SIPS panels – are one of the fastest growing systems of building within the timber sector and construction industry generally and are increasingly appealing to architects, designers and building technicians.

SIP technology has been developed around premanufactured panels made in a precision factory-controlled environment. They are composite (or sandwich) panels consisting of two parallel faces – usually Oriented Strand Board, sandwiching a rigid core of Polyurethane (PU) foam or Expanded Polystyrene (EPS), making them lightweight, quick to erect and free from problems of compression shrinkage and cold bridging associated with other forms of construction.

SIP panels offer superior

insulation, structural strength and incredible airtightness over alternative construction methods and systems.

They offer a modern, costeffective, energy efficient solution to a wide range of building types and are used in floors, walls and roofs providing low carbon residential, industrial and commercial structures.

SIPS can be combined with many building materials including brick, steel and concrete, allowing a wide range of design and build options.

The materials used and the composite structure of the finished panel removes the need studwork, vapour barriers and breather membranes.

Due to the offsite manufactured process of production, onsite work is at a minimum and installing SIP panels is very

- the voice of the UK SIP industry

quick giving reduced labour times and site costs. The factory environment means less product faults, less waste plus cabling routes, window and door openings or protective coatings can be can factory fitted and fault free.

Due to the lightweight structural panels, a lower foundation specification can be used and a watertight shell can be achieved within days, allowing external cladding and follow-on trades to progress quickly. SIPS are compatible with most cladding materials including brick, stone, copper, aluminium or timber.

For more information why not download the UKSIPS Technical Bulletins from:

www.uksips.org/ technical-bulletins

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JOIN UP NOW With over 40 members and constantly growing, the UKSIP Association is one of the leading trade associations in the timber and construction sectors and is the only organisation exclusively representing the SIP industry in the UK. It engages in a wide variety of issues and requirements that are relevant to the effective promotion and exploitation of SIP construction methods. Membership is open to all organisations involved with or that have an interest in SIP technology. Our members come from across the entire supply-chain and are united by a commitment to stringent standards of quality and service to their customers.

• Engaging with Government and major public sector clients and decision takers • Safeguarding the interests of members and ensuring that the growth of SIP technology is controlled in a structured manner.

Our activities include: • Promoting exemplar SIP construction projects • Facilitating communication and knowledge transfer of SIP techniques • Promoting the development of education and training on SIP technology to increase levels of professional and technical awareness of what quality SIP construction methods can offer • Engaging with technical or other impediments to the effective utilisation of SIP construction methods • Collaborating with organisations that have a shared ambition to work in support of a better more effective construction industry

Free Trial Membership Try it now. If you would like to find out more about what the UK SIP Association has to offer, we are offering a 3 month trial membership. With the free trial membership, you will be given access to our Members Area via our log in button – where you can view a limited set of the information available to our members. New member categories include Manufacturers, Engineer/ Consultant, Processor/Supplier, Architect, Installers and Professionals.

Trial Membership will last for 12 weeks from point of approval by the Association Board and you can upgrade to full membership at any time and take advantage of a wealth of industry information.

To apply for a free trial membership, please click here

www.uksips.org/join

10 Reasons to join the UKSIP Association 1 Participation and representation on technical committees and at industry events 2 Credibility in the marketplace – providing customer confidence 3 PR and marketing through our comprehensive marketing and communications activities 4 Exhibition, conference and seminar activities 5 Technical and Health & Safety advice, ensuring correct interpretation and implementation of legislation and standards 6 Technical support via a dedicated Technical Committee – a recognised source of technical guidance and information on SIP technology 7 Education and training – access to CPD training materials and seminars on a range of topics relevant to the SIP industry 8 Networking and knowledge exchange forums in which to do business 9 Benefit from the interactive Association website to upload case studies 10 Opportunity to present at Members meetings of important developments relevant to the SIPs industry.

Thermal Bridging Solution

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It saves time and money too, as blocking pieces are no longer required.

IUQ provides an impressive safe working load of 4.1kN (the HIUQ gives 8.1kN).

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21

FabricFirstEvent The UKSIP Association recently collaborated with the UKTFA at Fabric First in Birmingham. The full day event was sold out and those attending saw and heard why SIP panels are in prime position to take advantage of this building approach.

With rapidly increasing energy costs, the importance of energy efficiency has become a central concern to architects, developers and property owners across the UK. To deliver energy efficient buildings the construction industry is developing new ways of working and embracing the principles of Fabric First.

“The whole principle of Fabric First makes sense, said UKSIPS chairman, Charles Stewart.

“Why complicate buildings with complex micro-generation renewables if you don’t need to?

Building well insulated, airtight structures using SIPS or advanced timber frame technology addresses the energy efficiency challenge head-on.”

The event was the second major collaboration between the UK SIP Association and UKTFA and brought together nearly 200 designers, architects, engineers, homebuilders and developers to gain in-depth knowledge of the

latest thinking behind this approach.

With the impending changes to Part L and the 2016 ‘zero carbon’ target looming, the choice of building envelope is vital to low carbon construction. Professor Nick Whitehouse of Oxford Brooks University, believes to get the best results from a Fabric First strategy is to combine this approach with offsite construction, saying: “Offsite prefabrication not only means improved performance in terms of energy efficiency because components and systems are put together in a controlled factory environment. It also results in significant health and safety improvements, together with 50-80% less energy used onsite, 70% saving in transport to site and 50-90% less waste.”

Much talk centred on Fabric Energy Efficiency (FEE) meeting Building Regulations and how

SIPs will contribute to the government’s target to lower CO2 emissions by 2050. Speaking on behalf of Ingleton Wood, architect Jon Boon’s challenged the name of the event. “It should actually be Fabric Second,” he suggested. “To achieve maximum energy efficiency, the industry needs to go beyond Fabric First and apply the principles back at the planning stages. It also demands collaboration right down the supply chain to ensure components and materials work together to the best advantage.”

The Fabric First event was hailed a great success by delegates and exhibitors and many attendees spoke of the ‘feel good factor’ surrounding the future of the methodology. If you are interested in getting involved in the next event or need information on speaker and sponsor opportunities contact: danielle.garner@radarcommunications.co.uk

Homebuilding & Renovating Show 2013 Many UKSIP members will be in attendance during the year at the series of Homebuilding & Renovating Shows being held in various locations across the UK. Aimed at Self Builders, SIPS Industries have constructed a two-storey house made out of SIPS panels without roof trusses at the Glasgow SECC, Scotland 18/19th May. This modern contemporary structure will include some finishes allowing visitors to see first-hand all stages of the construction process. Visitors will be able to stand inside and experience the true feeling of height and space and understand how a large open plan layout can be achieved using this construction method. They will also be able to discover how SIPS construction systems can save money on heating bills, have less impact on the environment and ultimately cost less than a variety of other alternative building methods.

For more information visit: www.homebuildingshow.co.uk

22

case studies

Action Our Members have successfully completed a wide range of projects using SIPS across a broad spectrum of sectors and all of the Case Studies demonstrate what can be achieved with this technology. To view the case studies in full visit: www.uksips.org/case-studies/

Physics of Medicine Building, Cambridge University The project was successfully completed by SIPS UK in a little less than 5 weeks. After nearly a year tendering for and then tweaking the specification and price due to architectâ&#x20AC;&#x2122;s variation, SIPS UK partnered with Willmott Dixon to clad their concrete portal frame using the SIP Infill Panel System. One of the main reasons SIPS UK won the project was due the ability to manufacture curved SIPs panels, which were a requirement for what was commonly termed the POD. www.sips.uk.com

Pease House Contemporary Cottage SIPS UK worked closely with AC Architects to incorporate the structural elements that the engineers required whilst still being able to maintain the design requirements of the client - one of which was to introduce thermal mass into the building by way of a rammed earth wall.

The owners are extremely pleased with what they have achieved in building their dream home. One year on, the house has proved to meet the design parameters; being cool in summer and warm in the winter. www.sips.uk.com

Chimney Pot Park, Salford SIPCO helped create a thriving new community. This project involved the complete refurbishment of 359 terraced houses in Salford. The client was looking to retain as much of the original appearance of the property as possible whilst ensuring that the new buildings were both efficient in terms of envelope performance and living space utilisation. The scheme was a mixture of four basic house designs in terraced blocks of 16 units.

- the voice of the UK SIP industry

The developer, Urban Splash, retained the original facade of the houses whilst replacing the structure of the house with a steel frame. www.thesipcompany.com

Commercial Curtain Walling, Manchester SIPS were utilised to provide curtain walling on the steel frame of an apartment block, comprising the complete thermal envelope. Because the panels were prefabricated and cut to size before they reached site, the volume of site wastage was considerably reduced, along with the need for waste disposal facilities. As each floor was completed, the first fix trades were able to follow on behind.

This floor-by-floor approach ensured a structured and tightly manageable programme. In total, SIPS Industries provided around five acres of cladding for the apartments. www.sipsindustries.com

24

CSH Level 5 Housing Development, London Innovaré teamed up with Osborne and Family Mosaic Housing Association to complete an affordable housing development in Greenwich, South London, built to Level 5 of the Code for Sustainable Homes (CSH) using its i-SIP structural insulated panel system. Working in collaboration with the project architects BPTW Partnership, Innovaré were able to influence the design of the i-SIP building structure to meet the Code for Sustainable Homes requirements for Level 5 from the beginning, helping the scheme to achieve the initial planning requirements. www.innovaresystems.co.uk

TESCO Eco Store, Dublin Tesco Ireland with Precision Construction appointed SIPFIT to design, manufacture, supply and install an innovative and sustainable SIP-based cladding solution that not only met the strict green credentials required by Tesco but was also competitively priced and would eliminate the amount of time on site to meet strict deadlines.

The store opened in November 2011 and is expected to be a new benchmark in low energy sustainable stores for the company. www.sipfit.co.uk

Park Inn Hotel Hemsec SIPs were challenged with the goal of using a modern method of construction for the structural envelope but maintaining concrete floors traditionally found in hotel applications. Maintaining the concrete floors was key in providing a quality feel to this hotel. Through design and testing, Hemsec SIPs were able to provide a rapid build method whilst maintaining the client’s key requirements. www.hemsecsips.com

Inman’s Primary School, Hedon, near Hull Hemsec SIPS was used to create the whole structure of this school, the use of Hemsec structural insulated panels allowed the engineers to eliminate 70% of the structural steelwork in creating the structure. The client, East Riding of Yorkshire Council and their main contractor, George Houlton & Son, needed a modern, thermally efficient structure providing fast build speed, excellent sustainability credentials and minimal site waste at a competitive price.

Structural insulated panels were also used to create the pitched and flat roof areas for the whole building. External finishes included traditional brickwork, insulated renders, single ply finishes, cedar cladding and green roof build up.

For more information on these Case Studies and the work of UKSIP Association members visit: www.uksips.org

- the voice of the UK SIP industry

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26

Technical Knowledge at Your Fingertips For those unfamiliar with what SIPS can do, the UK SIP Association have five special Technical Bulletins commissioned in conjunction with TRADA Technology that 1 Structure are intended to provide introductory information on using SIPS. A sixth Bulletin on Sustainability will be available soon. The Association is also compiling all of these into a handy SIPcheck Manual.

REV 1

Acoustic

Durability

Fire

Structure

Thermal

1 1/TB00 - 12.12.1

REV 1-

12.1 2.11 /TB 002

2 Fire

Tech nica l Bul letin

RE V1

- 12.

12.

11/ TB 003

3 Aco

Tec hnic al B ulle tin

ust ics

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Both and en informati Stric lt is lle an in ca ls lim all ca ), po diffe sipa llu at su w O stru and sion d tio rs For morethe QR code re eria SB hi lar d B gs. n be (SIP re fa a n in form sist na ited ses qu t qual build ctor ct is in ed ls. alth lyisoc rent thre ch is nels foam oa A S us s) the s of an or scan ur ality ity sm ture amou it is y tran rd IP ed ar ou ya in al tend by th UKS m ce su e la bo are all of th nt the co ing sy cond co in e pr na gh (O co an to la an ca insu ed e ye sm nd ty nt nu tio rs te IPS uf fir d co ro st re SB nsis flo ef ther iti mbe e su of tim insu The n (P Th . beIR ittned is ed to pica late to UK ) w ts or ab As actu e ther ns l procem th ons an lly r of pplie ber lation so re es by e islo ar) iste hich of s, w ric steeere ar d prov SIP ciat will e is ed at is d ca at ad co by th se the mad pan id Ass th tw join d pa stud co nc ur be l or e tw e fu ca ns e ntia tw ion co little ar o alls ed, y of es ex n In s re ts e els e th oc e bo high an hi resuaring engi o fu are mpl di in nels requ that lly rrie ider rela l to o st by pa are trem cobe the the is for e re iatio ne nd de d ro gh pe third y w ffere im elyre cu lts capa neer ndam stUom bond d by able tivel the ruct sand muc ired. prov ls ith st co ad n in pl ed ns ofs rf st nc ob ur an . ruct h em s;ro K st Eq id pa the e ns er ed the vert y lig load al wic tain bility, ed tim enta on ity fo orm ng ru be rty incr den ure. low uallyes ex truc with po ex insu SIP ical ht un be skin hing ed pa, bo faci r re an ra be l ap er ac Build twee ea telydur nd ctur tio by ckin r fra plic th ng side ce Fo cred in than air celle an its arin s. 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In e (Epane ns e to tie th gy ef fo rs d w gr ads use S ural am tru r d ac e co n pl ind the prll stru ou othe all PS ls ar ctio theIn s du man ficie each ture de with of IP so bo plas ea nd ca ), ct lo od la e e n nt te ur se ad r fo se ex av co rg du by re inte th nd tic rme to ufac an ap d un ing uct al an visi rm s th trud aila the du rnal at hi betw insu all eretom sfoofrm the ture d co plic de in will tw s of e ed bl atio r cl the stat Man at ac be d infil OS ced stud gh ee la sk ew ww st of er po co re os tio en load ins ly ith B inte di load n th n .uks SIP effe n. Th el ufac ials ng rdan gi l foInr sk rn ng s e a lco s to ct e y co ips. be are styren a nu ins, al . ce nelim ture . Bot th an er al iv S ca ar typi e m org ite canc wna en e. S resu ntro rs h fo d re he stud IP n be ith ed ing ca (X be dfor sere su tr lt is lle w s itte, ld in sm tuthree am load mat lly PS r of re ict d in ding alls the rms sist is te ou all of qu qu a bu fact po . er OS ), po di UK of m ance nu st the nt of the ality ality ild or ials B ffe sitio Th ly m S in W re alth is .

IPS anuf to n an co ing y co st ere ritte ber supp tim su fir ou ocya nt in d Ass actu e th be eel or are n by of jo lie ber latio gh na su co ntro syst nditi oc re er ns l pr em on ints d pa stud n co re arin en two ther te latio iste oc th s iatio will e is su g e is (PIR n in nels s re re th lts ca gine fund nc edur at is and n ar co little the is qu at ) ob pa er am y of es ex ca tain bilit ed en e thmply di stru muc ired. prov pa ar trem n be ed y, ra tim tal ird with ffere ctur h lo Equ id ne e im el cu Fo by ck ber appl pa th nc ls. e. wer al es ex plemy st stom or r m rty e e be UK ing fram ic ly than ai celle sc ore ac Bui tw en rong SIP resi e. atio r an cr ldin ee ted , s m stan In ns fo tradperm nt th ed th info ite g R n th e rm em ce all rS ition ea erm e QR at d. eg ca bi be an se IP ulat diffe al lity al pr s; co ion rs d co du op ions rent de ple win s th full ns e d e pr stru as truc to ertie an load od ct e d tio the s du visi ing uct ural n du la tw rg e in will an ww e to e fo to th ac be d in .uks co the rmat e rd engi fill fo ips. an ce neer r a org with ed conc the for rete test load ,

Bulletin Technical

4 Th

Tec hn ica lB ulle tin

erm al

5D

Te ch nic

uraal Bulletin bil ity

www ps.org .uksips.o www.uksi rg

They are free to download after registering your details on www.uksips.org/technical-bulletins

Structure – this bulletin covers all aspects of the building phase from walls, floors, roofing cladding and services to tolerances for walls and sole plates. There are two fundamental applications for SIPS – full structural and infill for a concrete, steel or engineered timber frame. In all cases the product will be engineered for loadbearing capability, racking resistance and wind loading.

Fire – all forms of construction need to comply with the fire performance requirements laid down by national Building Regulations. There is no difficulty in SIP- based structures meeting the required levels, given correct design, standards of manufacture and workmanship. The fire resistance of a SIP structure is primarily achieved by the use of fire resistant lining materials.

Thermal - ‘Fabric First’ is a popular ethos that has grown from the German Passivhaus standard. This is where energy efficient buildings are created by focusing on the performance of the external envelope of the building before using or ‘bolt on’ renewable energy technologies. With SIP structures excellent U-Values can be achieved. Learn more about U-Values, thermal bridging, air permeability and SAP Assessments.

- the voice of the UK SIP industry

ww w.u ksip s.org

ww w.u ksip s.o rg

ww w.u ks ips .org

Writ ten by

Acoustics – this bulletin covers the improved sound performance levels that can be delivered by SIP panels.

SIPS contribute to improved airborne sound insulation for floors roofs, external, internal and separating/party/ compartment walls. Much like timber studwork, SIPS rely on the mass and continuity of plasterboard linings to provide the majority of the sound insulation performance.

Durability – the long term performance of a SIP building will be largely dependent on repair and maintenance. During construction the SIP structure may be exposed to the prevailing weather conditions and may be exposed to rain.

This is not an issue for SIPs as long as a number of general precautions are followed. Cladding systems can take the form of masonry such as brick, rendered block work or stone or lightweight systems such as timber, metal or proprietary render systems.

Coming Soon – Sustainability Technical Bulletin– technical data and everything you need to know about how SIPS can contribute to an energy efficient, low carbon construction project.

27

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