Issue 18 September/October 2019
IN THIS ISSUE:
ROOFLIGHTING IN
REFURB • DAYLIGHTING IN THE RETAIL SECTOR • ROOFLIGHTS & SUSTAINABILITY • CASE STUDIES • LATEST PROJECTS AND MORE
The rooflighting resource NEW WEBSITE
www.narm.org.uk • Technical Information • CPD materials • Case studies • Manufacturer listings • News & articles • Rooflight gallery • Membership criteria
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THE TRADE ASSOCIATION REPRESENTING LEADING UK ROOFLIGHT SUPPLIERS
CONTENTS
REGULARS
FEATURES
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Tom Bates of Lareine Engineering highlights how daylight in stores can bring tangible business benefits to retailers
Editor’s Comment
Industry News
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New Projects
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NARM Daylight Diary Updates from the UK’s influential trade association for rooflight manufacturers
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Daylighting Icons King’s Cross Station, London
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Twitterings What’s trending on social media?
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More about DAYLIGHTING Magazine Back issues & media information
www.daylightingmag.co.uk
DAYLIGHTING is published by: Bennett B2B Ltd Pure Offices Lake View House Tournament Fields Warwick CV34 6RG United Kingdom TEL: +44 (0)1295 711666
Daylighting in the Retail Sector
EDITOR Paul Bennett paul@daylightingmag.co.uk Tel: 01295 711666 Mobile: 07900 895110 AD SALES info@bennettb2b.co.uk Tel: 01295 711666
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Meeting Rooflighting Challenges in Refurbishment
DESIGN/PRODUCTION info@bennettb2b.co.uk Tel: 01295 711666
Rob Hamblen of Whitesales explains the challenges faced by contractors and manufacturers
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Rooflights & Sustainability Understanding rooflight U-values and how they affect building performance, by the NARM Technical Committee 27 GRP Rooflights: the sustainable solution, by William McDowell of Hambleside Danelaw
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Bespoke Daylighting Solution for Pharmaceutical Manufacturer A case study by Kingspan Light + Air
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WEBSITE www.daylightingmag.co.uk CIRCULATION Daylighting is available by email, free of charge to subscribers, by logging on at www.daylightingmag.co.uk Free access is also available via our website and social media. Average impressions per issue are approximately 5,900, however this varies according to social media activity. Our readership is predominantly UK architects, specifiers, contractors, consultants and roofing professionals. Full details are available on our website. www.daylightingmag.co.uk While every effort is made to ensure the accuracy of content, the publisher does not accept liability for errors. The views expressed by contributors are not necessarily those of the editor or publisher. This publication contains editorial photographs which may have been supplied and paid for by suppliers. Full terms and conditions can be found on our website. Front cover: The £19m refurbishment of Bristol University’s Fry Building, involved extensive refurbishment of the roof structure and existing roof glazing and rooflights. Article by Rob Hamblen of Whitesales on p20.
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Over 1,000 factory and site assembled rooflight profiles available
Come rain or shine, our rooflights perform
We like to think we know quite a bit about daylight. As the UK’s longest established manufacturer of rooflights, our knowledge and expertise is second to none and we have products to match. Our GRP Energysaver factory assembled rooflights, offer exceptional performance – weathertight, thermally efficient and achieving maximum daylight – they will deliver a first class daylighting solution.
To find out how we can help you maximise daylight when you’re specifying a composite panel roof, visit our technical bulletin library: www.energysaverrooflights.com
To find out more visit www.brettmartin.com or call 024 7660 2022 or email daylight@brettmartin.com
EDITOR’S COMMENT
Putting daylight on the sustainability agenda A recent study has shown that electric lighting consumes approximately 18 percent of the UK’s electricity: roughly 58,000 terawatt hours (TWh) per year – and commercial lighting accounts for seven tenths of this electrical consumption.
businesses to combat climate change.
According to Government figures, a surprising 35.5 percent of UK energy came from renewable sources in Q2 2019. That’s positive news, but with the remaining 64.5 percent coming from other less ‘clean’ sources, electric lighting is clearly a significant contributor to UK CO2 emissions.
The good news is that sustainability as a whole appears to finally be gaining some real ground on the agendas of governments around the world (with one or two notable exceptions).
It doesn’t take a rocket scientist to see that reducing the need for electric lighting during daylight hours and integrating daylighting with automatic lighting controls can take a big chunk out of these figures. This being the case, I am continually frustrated by the tiny amount of column inches devoted to the benefits of daylighting in the wider media – and even in many publications devoted to helping individuals and
In my view, it’s a big oversight and a missed opportunity – particularly in view of the health benefits of well daylit interiors and the simple fact that daylight is free!
In light of so many disturbing recent weather events and reports on global warming and its effects, lets hope its not too little, too late.
Paul Bennett paul@daylightingmag.co.uk
This issue of Daylighting Magazine carries two articles directly covering the subject of energy saving with rooflights, as well as a mix of case studies and articles in which the benefits of daylighting are highlighted within specific building types and sectors. I hope you’ll find it interesting and informative.
Issue 16 May/June 2019
Don’t forget, back issues are always available to read on-line at daylightingmag.co.uk
Issue 6 September/October 2017
DESIGN & TECHNOLOGY FOR BETTER BUILDINGS
IN THIS ISSUE:
DYNAMIC SHADING
AND OTHER WAYS TO COMBAT EXCESSIVE HEAT & GLARE • 5 REASONS TO AVOID UNDER-SPEC ROOFLIGHTS • DAYLIGHTING IN MUSEUMS & PUBLIC SPACES • ROOF SAFETY • PROJECT NEWS AND MORE
Previous issues of DAYLIGHTING Magazine will be available on-line indefinitely. So you can refer back to old issues whenever you like. It’s also on our ‘to-do’ list to set up a features index, so if you can’t remember in which issue you read that fascinating feature about XYZ, you’ll be able to find it in a moment.
IN THIS ISSUE:
Daylighting for dramatic effect RETAIL SECTOR REFURBISHMENT & ENERGY SAVING MODULAR ROOFLIGHTS AND MORE
www.daylightingmag.co.uk
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INDUSTRY NEWS
Urban regeneration construction ‘creating opportunities’ Square. As well as 330 flats and a new public space, it will involve the pedestrianisation of part of the city’s historic thoroughfare, Union Street (Glenigan Glenigan Project ID: 10199112). In Leeds, John Sisk has recently been appointed as the civils contractor on a £30 million city council scheme of public road and transport improvements to create a series of new gateways into the city centre. Work will start at the end of this year and should run for 14 months (Glenigan Project ID: 18347626).
Construction research & information specialist Glenigan has stated that “The ‘end of austerity’ should help sustain the healthy levels of spending on regeneration projects across Britain’s towns and cities which are proving a good source of new urban regeneration construction work”. Schemes to revive urban areas with new residential projects, improved transport and pedestrianised high streets are helping to buoy up public and private sector construction workloads. The various government regeneration spending initiatives which featured in the last Budget are translating into new construction work in many regions
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and the signs are that more will follow. Spending on the Transforming Cities Fund is set to climb from £140 million in 2018/19 to £355 million in this financial year and to £1,010 by 2021-22. Meanwhile, spending on the Future High Streets Fund is set to grow from £5 million this financial year, to £75 million in 2020-20, to £240 million by 2022-23. Glenigan Construction Data highlights the extent of major city centre regeneration projects which are in the construction pipeline nationally. In Aberdeen, tenders have recently been returned and work is set to start next summer on a £20 million city centre redevelopment at Queens
Elsewhere, Newcastle City Council is set to embark on a £23 million town centre redevelopment. It involves the construction of a new shopping area on Pilgrim Street and the pedestrianisation of the city’s Blackett Street, as well as the creation of a new events space. Work is set to start on the project - which is at the pre-tender stage - next Spring and continue for two years (Glenigan Project ID: 17421569). Further south in Oxford, work is set to start later this year on the city council’s £8 million pedestrianisation of the city’s Broad Street which will involve the creation of a new university square. Work on the scheme, which is at the pre-tender stage, is set to continue for 12 months (Glenigan Project ID: 98441283). www.glenigan.com
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INDUSTRY NEWS
All new public buildings in Scotland ‘to be zero carbon’ part of a focus on tackling climate change.
Scottish First Minister Nicola Sturgeon has announced that all new public buildings built in Scotland are to be be built to net zero carbon standard to ensure they ’meet the challenge’ of the climate emergency. The measure was one of a number of environmental initiatives unveiled by her on Wednesday 4th September as
In addition to working on a new ‘Net Zero Carbon’ standard for all new public buildings, the government also said it would oversee a ‘fundamental overhaul’ of building regulations to ensure that from 2024 all new homes use renewable or low-carbon heating. A new consultation will include measures to improve energy efficiency and the quality of construction and will be accompanied by a planned £30 million investment in renewable heat projects. Ms Sturgeon also revealed plans for a £3 billion Green Investment Portfolio, and a ‘Green City Deal’ for cities and regions. She said the transition to net zero will be the primary mission of the Scottish National Investment Bank.
Plans to clean up Scotland’s rail network and introduce a fleet of ultra-low-emission buses were also announced. Ms Sturgeon said: ’Earlier this year, I acknowledged that Scotland – like the rest of the world – faces a climate emergency. We are now committed to achieving net-zero greenhouse gas emissions by 2045 at the latest – earlier than any other UK nation. ’This year’s Programme for Government is an important part of our response to the climate emergency, containing measures which will reduce emissions while supporting sustainable and inclusive growth.’ The commitments were outlined in the Scottish National Party’s legislative programme for 201920, entitled ‘Protecting Scotland’s Future’.
Report Highlights Connection Between Insulation Performance and Daylighting New research from leading building consultants, Peutz B.V., has revealed that by using higher performing insulation within rainscreen and cavity walls, it is possible to reduce construction thicknesses and achieve noticeable improvements in internal natural light levels. Its findings are explored in full in the updated Daylighting White Paper from Kingspan Insulation, available for download from: www.kingspaninsulation. co.uk/daylighting.
www.daylightingmag.co.uk
The analysis looks at the change in the average daylight factor (ADF) for a room when premium performance Kingspan Kooltherm insulation is used compared with mineral fibre insulation. For each scenario, comparative constructions were designed to achieve an identical U-value. This required a greater insulation thickness, and consequently wall and reveal depths, for the lower performing mineral fibre insulation constructions. A number of window arrangements were also
considered for each scenario. The findings showed that in all scenarios, the constructions using Kingspan Kooltherm insulation achieved improved ADF’s. In addition, all results with the Kingspan Kooltherm products exceeded the minimum daylighting criteria from BS 8206-2: 2008 for bedrooms and living rooms. info@kingspaninsulation.co.uk
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INDUSTRY NEWS
Manchester’s Low Carbon Homes Ambition BEIS trials and local policy and supply chain development.
On November 14th 2018, Manchester City Council adopted new science-based climate change targets on behalf of the city, to rapidly cut emissions from 2015 levels by 50% by 2022, 83% by 2030, and down to zero by 2038. The city’s ‘Draft Zero Carbon Framework 2020-38’ document confirmed that – for domestic property – this would involve reducing energy demand and shifting to lower carbon heat sources, lifting families out of fuel poverty and saving residents money on their energy bills, as well as reducing greenhouse gas emissions. A year later to the day, Cogent Events will open the doors to the North West edition of Low Carbon Homes - its nationwide regional event series - in Manchester. Working with Manchester City Council, Manchester Climate Change Agency and wider stakeholders, the event’s programme has been curated to ensure that speakers and delegates at the 14th November event tackle the particular challenges of retrofitting existing housing stock, while helping to develop the Zero Carbon Framework 2020-38,
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and the city’s emerging Zero Carbon Housing Strategy. Jonny Sadler, Programme Director of Manchester’s Climate Change Agency, and speaking on the Low Carbon Homes programme, emphasises that “Bringing Manchester’s existing housing up to a zero carbon standard is a vital component of our zero carbon ambition, which will not only improve the wellbeing of our residents, but will stimulate a retrofit market, boosting our local economy. “We need local businesses, homeowners, landlords, Manchester City Council, Greater Manchester, Government and others to come together to help create an ambitious programme of zero carbon improvements across the city. The Low Carbon Homes event is a key part of kickstarting this hugely exciting work.” Aimed at architects, heating engineers, local authorities, landlords, contractors and related sector professionals, the free-to-attend event features plenary sessions, practical workshops, training and exhibitors covering interests such as the fabric first approach, heat pumps, heat system design,
Heat Pump Focus: Reflecting the growing interest in the electrification of heat, Heat Pump Focus is a free-to-attend event featuring exhibits, talks and presentations within Low Carbon Homes providing all-day access for invited visitors and delegates. The new initiative is supported by the Ground Source Heat Pump Association, the Heat Pump Association, manufacturers and designers. “The Manchester event is set to be our largest Low Carbon Homes event so far, and we’re delighted with the support we’ve received across the city. The ambition, dynamism and commitment of our supporters and wider community is truly inspiring. If there is a city in the UK that can get to Zero Carbon by 2038, it’s Manchester… and we’re honoured to be playing a part in helping make that happen” - Graham Lock, Founder, Low Carbon Homes lowcarbonhomes.uk
Jonny Sadler, Programme Director
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INDUSTRY NEWS
GGF Annual Report reflects strength & stability The Glass and Glazing Federation (GGF) has released its Annual Report 2019 reporting on the activity and performance of the Federation for the year ending 31st December 2018. The report covers the year that saw the GGF gain a record 67 new members during a year of change, influence and preparation as the regulations and standards came under Government scrutiny due to the inquiry into the Grenfell Inquiry and the UK’s pending exit from the European Union. The GGF’s increased support for consumer-facing members was evident with MyGlazing. com achieving record audience numbers of over 200,000
homeowners. In addition, the report also highlighted the outstanding background work of the GGF technical team and the ongoing political activity the Federation carried out during the period. The accounts yet again showed the organisation’s formidable financial strength and stability. John Agnew, GGF President commented, “Following a difficult transitional year, the GGF has ensured it maintains its position as the leading trade organisation in the industry.”
of their size, position, sector and status. With the shifting political landscape, and uncertain economic and regulatory climate we will ensure we continue to support our Members to help them cope with the changes ahead.” www.ggf.org.uk
Steve Rice, GGF Managing Director added, “The GGF’s core services are consistently serving our Members’ regardless
Looks good. Performs Great. Designing a striking building is one thing. Making it an environment that’s fit for purpose is quite another. Adopting a blended approach to building design, commissioning, service and maintenance, Kingspan Light + Air has market leading solutions for: Daylighting Natural ventilation Smoke management Because it’s not enough to just look good. Whatever the building type, trust Kingspan Light + Air to make sure it performs great.
Kingspan Light + Air T: +44 (0) 29 2077 6160 E: info@kingspanlightandair.co.uk www.kingspanlightandair.co.uk
INDUSTRY NEWS
GPE announces participation in the Better Buildings Partnership’s Climate Change Commitment Great Portland Estates (GPE) has announced its position as a signatory to a ground breaking Climate Change Commitment launched by members of the Better Buildings Partnership. The commitment is designedto tackle the growing risks of climate change through the delivery of netzero carbon real estate portfolios.
• develop a comprehensive climate change resilience strategy
participate in the Climate Change Commitment and delighted that our efforts on ESG (Environmental, Social & Governance investment) continue to be recognised in the major indices.
Thisbuilds on the revised energy and carbon targets that GPE announced earlier in the year, namely:
Our success depends both on our ability to integrate ESG across the whole of our business and the enthusiasm of our team to lead on theseissues.
• to achieve a 40% reduction in energy intensity and at least a 69% reduction in carbon intensity across the Company’s portfolio by 2030
The Commitment aligns with the Company’s strategy to transition to a net zero carbon business and requires GPE to:
• for all GPE new build developments completed from 2030 to be net zero carbon;
• disclose progress towards its net zero carbon pathway, including whole building performance and occupier activities;
• to set out the Company’s approach and timescale to become a net zero carbon business.
• publicly disclose the energy performance of its portfolio
Janine Cole, Head of Sustainability at GPE said “We are proud to
The fact that 95% of our team will be taking part in our second community daynext week, spending more than 900 hours supporting community causes, is testament to their commitment”. www.gpe.co.uk
SafeContractor accreditation for Lareine Engineering Daylighting and ventilation specialist Lareine Engineering has announced that as part of the company’s commitment to Health & Safety, it has gained the Alcumus SafeContractor accreditation. Displaying the SafeContractor approved seal provides evidence that the Company’s health and safety documentation is up to date and meets recognised industry standards. This latest accreditation is in
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addition to other respected UK Health & Safety approvals already gained by Lareine Engineering. These are: CHAS (The Contractors Health and Safety Assessment Scheme); the NHBC’s Safemark Competency Accreditation Scheme; and the SMAS Worksafe accreditation.
roofing contractors work with us as their preferred supplier for daylighting and ventilation solutions. This accreditation further underlines our position.” For further information, visit: www.lareineengineering.com
Managing Director Tom Bates, said: “Our Health & Safety record speaks for itself and is a key reason why so many of the UK’s leading building and
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INDUSTRY NEWS
VELUX and Guardian Warm Roof join forces roof and extension projects across the UK and Ireland. Both brands share a passion for creating better living environments for homeowners and have a reputation for quality and innovation within the industry.
Roof window manufacturer VELUX Company Ltd and lightweight roof replacement firm Guardian Warm Roof are joining forces to help create the perfect indoor environment for homeowners. The new partnership means that Guardian Warm Roof will now exclusively fit VELUX roof widows in their range of
VELUX managing director Mick Schou Rasmussen said: “Our partnership with Guardian Warm Roof demonstrates our ambition in the home extensions market and today’s announcement marks a critical step as we look to strengthen and grow our roof window business. “It’s an exciting opportunity to work collaboratively with our combined communities of installers and fabricators, share knowledge and
collectively learn in the fastpaced home improvement market and create even better living spaces together.” Guardian was the first solid roof replacement system in the UK. Since then they have grown their range to include lightweight slates, shingles and the Guardian Extension. Guardian managing director Joe Kearney said: “Both VELUX and Guardian are in enviable positions as leaders in their specific areas of expertise, and synonymous with quality and innovation in the industry.new way to evaluate windows. www.velux.co.uk/guardian
Xtralite launches new website The launch of a new website by roof glazing and rooflight manufacturer, Xtralite, will “help shine the light on the benefits of such architectural solutions across a wide range of disciplines”. Xtralite, based in Blyth, has created a site that will showcase the solutions it provides, how they integrate into new builds and refurbishment projects and highlights the part it plays in the wider roof glazing and construction sector. “Our new website is much more easily navigable and we’ve taken the opportunity to provide even more credible information that will help specifiers, architects, roofing
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companies and constructors,” said Jim Lowther sales director Xtralite. “More intuitive information is provided for accurate understanding of our products and their capabilities and how they support the ongoing demand for daylighting, energy efficiency and sustainability requirements.” Additions to the website include a new comprehensive resources page which links to drawings, DoP’s fixing instructions and NBS pages as well as literature that will allow online research and understanding, reinforced by the sales team who will continue to work
closely with customers across the UK. Enhanced images and case studies, across both the domestic and commercial sector, bring the products to life and display the potential that can be achieved through visionary design and manufacturing. Visit the new website at: www.xtralite.co.uk
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INDUSTRY NEWS - EVENTS
CIBSE Daylight Group: presentation on Aperture-Based Daylight Modelling John Mardaljevic, Professor of Building Daylight Modelling, Loughborough University, will be making a presentation on Aperture-based Daylight Modelling at London’s National Gallery on Wednesday, 13 November 2019.
from a visible external entity (e.g. ground, sky, obstruction, etc.), which is made self-luminous for this purpose. Discussed will be the fundamental principle behind the view lumen and preliminary illustrations of the technique to show its potential.
Starting at 2.00 pm, this presentation will describe a new modelling schema to evaluate building apertures (e.g. windows) based on numerical measures of their ‘connectedness’ to the sun, the sky and the view of the external environment.
The schema employs the British Standard framework to define categories of view, i.e. sky, natural or man-made objects (e.g. buildings) and ground. ApertureBased Daylight Modelling (ABDM) is an extension of the recently introduced sunlight beam index. The measures for sun, sky and view determined by ABDM are purely geometrical. Thus it is proposed that an ABDM
CIBSE has stated that It introduces the concept of the view lumen – this is the illumination effect received at the building aperture
UK Construction week 2019
RCI Show Ricoh Arena 2020
UK Construction Week (UKCW) is claimed to be the UK’s largest built environment event; bringing together 35,000 construction professionals and more than 650 exhibitors,
Following the success of the RCI Show 2019, Mark Allen Group has announced that in 2020, the Show will return to Coventry’s Ricoh Arena on 25th and 26th March 2020.
This year’s event is at the NEC Birmingham on 8-10 October 2019. UK Construction Week
The RCI Show is the largest UK event where the entire roofing, cladding and insulation supply chain comes together under one roof. This vibrant two-day event allows visitors to compare and source new products, learn from the experts and hear about the important issues currently impacting the market.
UKCW brings together all stakeholders within the built environment across every facet of design, build and product innovation. It is free to attend and for trade visitors only – more information is available at https://www. ukconstructionweek.com/
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For information, visit www.rcishow.co.uk
evaluation should be carried out at the earliest stages of design. Additionally, the ABDM schema could serve as the basis for a new way to consider the potential of windows to provide sunlight, skylight and views for the purposes of planning and guidelines. In many ways, ABDM can be considered a radical new way to evaluate windows. www.cibse.org/daylight
National Construction Expo 2020 The 2020 National Construction Expo is now open for free registration. The event will be held on the 6th May 2020 in the Arena MK, Milton Keyes. Key Topics will Include: Planning, Energy Efficiency, Meet the Buyer, Smart Buildings & Cities, Sustainability, Investment Outlook, Infrastructure, Energy Projects, Municipal and Government Projects, Industrial Projects, Technology & Innovation, Building materials, & more. Register free at: www. nationalconstructionexpo.co.uk
www.daylightingmag.co.uk
NEW PROJECTS National Sports Centre, Isle of Man Situated above a swimming pool and replacing existing rooflights which had deteriorated over time, six Xtralite X-Span thermally enhanced non self-supporting mono pitch rooflights measuring 16.4m x 2.25m were installed at this major sports facility. The rooflights allow natural light to filter through, whilst creating an impressive roofline whereby the rooflights undulate down the angled roof, keeping its wave like appearance www.xtralite.co.uk Cremer Business Centre LAMILUX designed, supplied and installed the 5° continuous atrium rooflight at Cremer Business Centre using the LAMILUX Glass Roof PR60. The remarkable 4055mm wide x 65m long rooflight was designed using 64 panes. By integrating double flap EN12101-2 compliant SHEV smoke vents using tandem opening devices, the glazed roof provides 25m² aerodynamic free area. Featuring toughened high performance glass, the atrium rooflight offers excellent performance values. www.lamilux.co.uk
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NEW PROJECTS Aberdeen Station As part of an £8 million refurbishment project at Aberdeen station, Twinfix supplied 10,000 of their innovative MultiLink-Panel NF (NonFragile) roof-glazing system with 6mm solid obscure Georgian wired effect polycarbonate. The Multi-Link-Panel NF system is an aluminiumframed modular rooflight system, designed with a patented fixing method that results in incredibly quick installation times and conforms with the HSE’s approved drop test for non-fragility, ACR[M]001:2014. www.twinfix.co.uk BBC Cymru Headquarters, Cardiff Two types of curtain walling, and entrance doors, by Kawneer, including the first use in the UK of a new severe duty welded door, feature on the new headquarters building for BBC Cymru at Central Square, Cardiff. Kawneer’s AA®100 capped and zonedrained aluminium curtain wall and its SSG (Structurally Silicone Glazed) and mullion-drained sister product, have been used throughout the façade of this awardwinning building. www.kawneer.com
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NEW PROJECTS Private Home Manufacturers Lonsdale, recently supplied this 1000mm x 820mm glass floor which required a 1 hour fire rating. The homeowner wanted to create a spacious feel to which is a relatively small upstairs landing space and create continuous light thoughout the building. Rather than the usual black, a custom bluegrey border was added to compliment the interior colour scheme. www.lonsdalemetal. co.uk
Cambridge Mosque Roofglaze were selected by London Eye architects Marks Barfield and main contractor Gilbert Ashe to design, manufacture and install 63 bespoke Flatglass rooflights for this outstanding project. These rooflights provide nearly 300m2 of natural daylight to the building year-round, increasing the energy savings that underline the sustainable, eco-friendly ethos of this development. www.roofglaze.co.uk
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DAYLIGHTING IN RETAIL
Daylighting in retail: saving energy & boosting performance Tom Bates, Managing Director of Lareine Engineering, looks at how daylighting can bring important benefits to retailers in today’s demanding economic climate
It’s no news that the UK’s retailers are under growing pressure from a variety of sources. The continuing surge of relatively un-regulated internet sales, balanced against increasing rents and other costs, are making life difficult for the high street – from independent stores to national and international chains. Against this backdrop, carefully considered daylighting in stores can play an important role in addressing two key areas of concern for retailers:
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first, by providing the optimum environment for shoppers, with the best possible presentation of goods to maximise sales opportunities; and second, by delivering reduced energy costs. For these reasons, now is a good time to re-visit some research on these subjects. The findings of which are perhaps now more pertinent than ever, due to the prevailing economic pressures on retailers.
www.daylightingmag.co.uk
DAYLIGHTING IN RETAIL Better shopping experience = better returns for retailers First, lets reference a landmark document produced over a decade ago in the United States, by the highly respected HMG, Heschong Mahone Group. This paper, entitled ‘Daylight and Retail Sales’ was based on a study of 73 store locations in California, of which 24 were daylit primarily by diffusing skylights. To calculate the overall effect of more daylight on sales, HMG first calculated the effect of daylight on each individual store, taking into consideration a variety of factors and variables specific to each store. They then summed the effects on all daylit stores and divided by the sum of all sales for those stores, to calculate the ‘net daylight effect’, or the average predicted effect on sales for adding daylight to any store in the sample group.
of-mouth in generating increased footfall resulting from the improved in-store experience that can result from daylighting.
Lower energy consumption: a win-win situation Independent research carried out in 2005 by DeMontfort University and referenced in the National Association of Rooflight Manufacturers’ (NARM) Introduction to natural daylight design through rooflighting, proved conclusively that rooflights save energy. Since then it’s been widely understood that a well designed
“...this calculation predicted an average increase in sales associated with the presence of daylight, of between 1% and 6%. ”.
The results of this calculation predicted an average increase in sales associated with the presence of daylight, of between 1% and 6%. In the vast majority of retail environments this represents a significant longterm benefit when balanced against the investment required to introduce daylight.
Happy customers: success breeds success The reasons for this projected sales increase can be attributed to a number of factors, including better presentation of goods at point-of-sale, the tendency for shoppers to relax and remain longer in daylit environments and better performance of sales staff within the store. It should also be noted that for refurbishment projects, this calculation does not appear to take into consideration the potential effects of marketing and customer word-
www.daylightingmag.co.uk
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DAYLIGHTING IN RETAIL
building with a good spread of natural light will benefit from passive solar gain and a reduced requirement for artificial light. The combination of these factors means that including rooflights can offer a dramatic reduction in a building’s total energy consumption and the emissions of CO2 associated with this energy use.
report by Elmhurst Energy. Three buildings were assessed in the report, one of which was a Homebase store. The results showed that by upgrading rooflights and lighting controls in this application, total carbon emissions could be reduced by 29% and total operating costs could be reduced by 33%.
This reduction in energy consumption and emissions offers a number of advantages. Obviously, any reduction in building running costs brings a measurable business benefit as well as playing a role in helping to meet government climate targets. For retailers, this fact can also provide the spin-off benefit of a positive marketing message. Retailers in all sectors are under pressure to make public their ‘green credentials’. Reducing harmful emmissions by minimising energy consumption in stores is as relevant to today’s sustainability-conscious shopper as responsible sourcing and recyclable packaging.
In addition to the benefits outlined above, installing rooflights can also provide options for natural ventilation for comfort of building occupiers and/or as part of a smoke ventilation system. Manual or automatically opening rooflights and louvre ventilators are two options which can be supplied in a variety of designs and formats. Lareine Engineering can provide a complete design and installation service for rooflights and ventilation – drawing on many years service to the UK’s retail sector.
In 2014, NARM, the National Association of Rooflight Manufacturers, published a Technical Document entitled: Analysis of Improving Daylighting and Lighting Controls on a Number of Existing Non-Domestic Buildings, based on an independent
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“Reducing harmful emmissions by minimising energy consumption in stores is as relevant to today’s sustainabilityconscious shopper as responsible sourcing and recyclable packaging.”.
For further information, visit: www.lareineengineering.com References: Daylight and Retail Sales: a Technical Reprt by the California Enery Commission, by Lisa Heschong, Heschong Mahone Group, Inc. NARM NTD 01 Introduction to natural daylight design through rooflighting NARM NTD 10 Analysis of Improving Daylighting and Lighting Controls on a Number of Existing Non-Domestic Buildings
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ROOFLIGHTS
ENGINEERING
THE UK’S TRUSTED DAYLIGHTING & VENTILATION SPECIALIST • Preferred supplier to leading architects, engineers & contractors • Multi-sector expertise • Design, manufacture, installation, servicing • All relevant accreditations & affiliations • RIBA CPD Providers Network member • Nationwide sales & support
Head Office: 01506 448140 Midlands Centre: 01788 579307 E: info@lareineengineering.com www.lareineengineering.com
REFURBISHMENT
Meeting rooflighting challenges in refurbishment Rob Hamblen, Sales & Marketing Director at Whitesales, explains the challenges faced by manufacturers and contractors in complex refurbishment projects, and how logistical planning and effective communications are the key to success. It could be said that it’s obvious that refurbishment projects, specifically for old and historic buildings, present many more challenges than new build. Refurb projects require working with existing systems and around existing structures, often in confined spaces and with limited access. Problems which are impossible to predict are more likely to occur when work begins on a refurbishment project, potentially resulting in untold slippage to the schedule. Often however, the biggest challenges
are the same as with new build – coordination of multiple trades and precise management of site and installation schedules. The complex nature of the roof structure and extensive project scope make Bristol University’s Fry Building case study an ideal reference point for highlighting the challenges and considerations arising in refurb works. The nature of pre-existing roof design for many buildings is such that numerous materials are present and in between them are a variety of interfaces – slate to membranes, liquids to membranes, lead flashing and roof glazing integrated with all these materials, for example. Often the refurbishment scope will detail product specifications but not how these material interfaces will be designed and executed. The very points of likely failing, the interfaces, become the place where the least care and the least experience is applied. When the project is completed, the result can provide a perfect aesthetic with hidden issues just waiting to arise. A large part of any refurbishment project will also focus on meticulous analysis during design and planning. Investigation of the existing structures, implications of any additional weight loading, wind uplift calculations and required fixing methods, for example. Consideration of available features to achieve required U-values as well as detailing of all roof penetrations and
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REFURBISHMENT connecting interfaces – all essential to ensure success. The £19m refurbishment of the Fry Building, involved extensive refurbishment of the roof structure and existing roof glazing and rooflights. Work on the Grade II listed building included replacing the northlights
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and bespoke ridgelight in the flat roof area, vertical aspects in the complex sawtooth section, sympathetic replacement of historic units, L and U-shaped integrated continuous rooflights and a challenging custom, high-specification walk-on installation. The sawtooth section of the roof is a
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REFURBISHMENT dramatic and eye-catching feature. William Fairbairn, a British engineer and architect, is often credited with the very first sawtooth roof design which was termed the “shed principle� in around 1827. In a sawtooth roof, there are a series of ridges that have dual pitches on each side. The vertical aspects are fitted with glass panels that face to the North to allow filtration of the light and reduce direct exposure. The new continuous roof glazing installed exactly matches the pre-existing in appearance, whilst delivering improved performance and opening panels for natural ventilation. Fragility considerations were of high importance for the flat roof area. The installation schedule also presented many challenges. A carefully planned, staged installation of the main units and flashings allowed for works to be completed more easily. Temporary weathering was utilised to facilitate this staged process. Another particularly challenging element of the scope of works were the technical requirements for the walk-on unit installed above the new lecture theatre. It required a collaborative working approach with the structural engineer to ensure the specification was precisely defined. The installed unit features bespoke weathering and printed vinyl dots on internal glass layer, to offer diffused light to the area below. For contractors undertaking refurbishment projects, the logistical challenges that these projects present are numerous. Successful completion will be contingent upon strict management of communications, plans and on-site coordination, as much as on selection of the appropriate products and actual installation.
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Working collaboratively with other trades in challenging working conditions can be demanding, but experienced and proactive contractors who understand these challenges will ensure successful delivery of even the most complex projects. www.whitesales.co.uk
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Illuminating experience Bright designs for architectural impact
At Whitesales, we design specialist daylight solutions providing outstanding aesthetics and creativity to buildings. Our bespoke roof glazing and continuous rooflights offer superior performance and turn aspirations into reality.
Discover the design possibilities, call us today. www.whitesales.co.uk sales@whitesales.co.uk 01483 917580
Waldram Tools - Daylighting Software MBS has been developing software for the last 25 years. Delivering applications that are powerful yet easy to use. Waldram Tools is an excellent package for meeting the requirements for daylight & sunlight testing laid out in the BRE Guide. It is however much more than that, with many tools to aid design, such as facade analysis including solar radiation to test for overheating. Ray traced Daylight and sunlight calculations using Radiance, which allows more complicated situations to be assessed. Transient shadows can be assessed over a range of times with the shadow cast matching the colour of the proposed building The potential for solar glare can be assessed in an easy to read rendered image
The software produces:
· · · · · · · · ·
BRE Compliance tests VSC,APSH,NSL,Sunlight to Amenity and Average Daylight Factor Rights of Light contours Complete excel exports Automated transient shadow images Climate based daylight calculations Spatial Daylight Autonomy Annual Sunlight Exposure BREEAM calculations Solar Glare Solar Radiation Facade analysis
Available for AutoCAD 2014-2020*
Alternative products: "Daylight forSketchup" Coming soon: "Daylight for Revit"
For more information contact us on:
Tel: 020 3176 0984
email: info@mbs-software.co.uk
www.mbs-software.co.uk
SPECIAL FEATURE
daylight diary Making a difference – and moving with the times... Established for over twenty years, the National Association of Rooflight Manufacturers represents manufacturers and suppliers of all types of rooflights into the UK market. Our purpose is to identify and promote best practice in rooflight specification, installation, maintenance and safety. NARM brings together a wide range of skills and experience, from sales & markeing, to business administration and very importantly, our expanding and highly influential Technical Committee. The Association has three General Meetings per year, plus a number of individual committee meetings, at which current topics are discussed and progressed. Our work includes: informing government and standards bodies on rooflight technical specification and performance; publishing technical guidance documents for specifiers and contractors; commissioning and analysing research; and making relevant information readily available through our website and marketing campaigns. Progressing our objectives involves
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hard work and dedication from a diverse and ever-growing group of volunteers from within our member companies – each of whom recognises the benefits that membership of a pro-active trade association can bring to their company and their own career development.
As we head into the last quarter of 2019, we are actively recruiting committee members from within our member companies. We are also trialling an on-line team communication & project management tool, to allow us to maintain high rates of progress across many fronts, despite increasing complexity in many areas of the construction industry. It’s all a far cry from the old-fashioned idea of a trade association as simply a ‘networking club’ – although NARM meetings are characterised by a friendly and inclusive environment. Find out more about our work, and the benefits of NARM membership at www.narm.org.uk
You can also stay up-to-date with us on LinkedIn and Twitter
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Innovative upgrade & refurbishment solutions for profiled fibre cement or metal roofs & cladding
Upgrade your rooflights and reduce your operating costs by up to
33%
Filon FAIR Factory Assembled Insulating Rooflight
Recent independent research by Elmhust Energy*, demonstrates that improvements to rooflights and lighting controls can bring huge savings in energy and emissions. In one typical example, a large retail DIY store, total carbon emissions could be reduced by 29% and total operating costs could be reduced by 33%. These savings equate to a reduction in total operating costs of £5.20/m2 per year, giving a total saving of £20,435 per year. As one of the UK’s leading providers of profiled rooflights and roofing sheets, with huge experience across all kinds of public and private sector buildings, Filon Products is your ideal partner in roof and rooflight upgrades and refurbishment. We also offer: • Fixsafe for safe replacement of rooflights and roof sheets • Lightweight over-roofing for cost-effective roof refurb with minimal disruption.
For details, please call us on 01543 687300 or visit www.filon.co.uk
*See the report at http://www.narm.org.uk/ uploads/pdfs/NARM_NTD10.pdf
Filon Products Ltd, Unit 3 Ring Road, Zone 2, Burntwood Business Park, Burntwood, Staffs WS7 3JQ
ROOFLIGHTS & SUSTAINABILITY
Understanding rooflight U-values and how they affect building performance By the Technical Committee of NARM, the National Association of Rooflight Manufacturers
The increasing focus on sustainability across all areas of the construction industry, has led to a raft of marketing campaigns featuring product performance metrics and environmental credentials. The majority of these are factual and backed by testing and independent approvals and ratings. However, there are unscrupulous suppliers making false or exaggerated claims and others presenting confusing messages which blur the facts. Rooflight U-values are a case in point. U-values (sometimes referred to as heat transfer coefficients or thermal transmittances) are used to measure how effective elements of a building’s fabric are in providing thermal insulation. In other words, how effective they are at preventing heat from transmitting between the inside and the outside of a building. U-values
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are measured in watts per square metre per Kelvin (W/m²K). For example, a rooflight with a U-value of 2.2, for every degree difference in temperature between the inside and outside of the window, 2.2 watts will be transmitted every square metre. The lower the U-value of an element of a building’s fabric, such as a rooflight, the more slowly heat is able to transmit through it, and so the better it performs as an insulator. As the need to reduce CO2 emissions becomes more urgent due to climate change, overall building performance measures and energy consumption have become more important, and standards (such as the Building Regulations Approved Document L: Conservation of fuel and power) have required lower and lower energy consumption and CO2 emissions. These considerations have driven
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ROOFLIGHTS & SUSTAINABILITY changes in the design of buildings, both in the use of materials, the makeup of building elements such as cavity walls and glazing, and the overall design of the building.
and reduces daylight levels within the building, and can reach a point where the resultant increase in lighting energy outweighs the savings in heating energy.
In broad terms, the lower the U-value of a building’s overall fabric, the less energy is required to maintain comfortable conditions inside the building. But it is vital to note that thermal considerations are not the only considerations for overall energy consumption, and lighting energy demand is often the primary consideration. Use of daylight through rooflights and windows can dramatically reduce overall energy use, even if the glazing is less well insulated than opaque areas, because the saving in lighting energy is generally much greater than any increase in heating energy.
Care should also be taken to ensure rooflight areas are not so large that they create a potential for solar overheating which may result in increased cooling loads.
Independent research by the De Montfort University’s Institute of Energy and Sustainable Development proves conclusively that compliant rooflights can save energy in many applications, and generally speaking, the greater the rooflight area the greater the potential savings. This is reflected in Building Regulations, which include limits on overall energy use, based on calculations which reflect the benefits that increased areas of rooflights can offer. Nonetheless, whilst rooflight areas and light transmission remain the prime consideration, thermal insulation of rooflights is an important secondary consideration, and limiting U-values for rooflights are also included within Building Regulations Generally, the better insulated the rooflight the better, although there is a law of diminishing returns. In some cases it may even be counterproductive to pursue very low values: if, for example, an excellent U-value is achieved by adding more and more layers of glazing, each additional layer reduces overall light transmission
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Requirements of The Building Regulations
“In broad terms, the lower the U-value of a building’s overall fabric, the less energy is required to maintain comfortable conditions inside the building. ”
For all non-domestic applications, the worst acceptable standard for the thermal performance (U-value) of rooflights in new build work is currently stated as 2.2 W/m²K. For refurbishment or domestic applications, this figure is reduced to 1.8 W/m²K.
U-values for flat or ‘in-plane’ rooflights As the U-value is calculated by dividing the heat loss through the rooflight by its area, this is straightforward for flat, ‘in-plane’ rooflights, the type most frequently installed on metal or fibre cement roofs on factories, warehouses and large retail ‘sheds’. Therefore, manufacturers’ quoted figures can generally be used to form the basis of building calculations without further consideration.
U-values for ‘out-of plane’ rooflights and roof windows Many rooflights are ‘out-of-plane’ designs that sit proud of the plane of the roof (typically with glazing frames which may be mounted on upstands or kerbs). These include modular dome or pyramid rooflights, continuous barrel vaults, and glazing bar systems. Furthermore, rooflights may be mounted onto upstands designed and supplied by others, which can effectively be considered as part of the roof, or some rooflights (particularly individual dome and pyramid modular
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ROOFLIGHTS & SUSTAINABILITY Building Regulations state that the worst acceptable U-values for rooflights are based on the developed area of the rooflight (not the area of the roof aperture, which is the true U-value). This is termed the Ud-value, and can be calculated for either a rooflight alone, or for a rooflight-and-kerb assembly.
rooflights) can be supplied as an assembly with a pre-manufactured kerb matched to the rooflight itself. Building Regulations state that the worst acceptable U-values for rooflights are based on the developed area of the rooflight (not the area of the roof aperture, which is the true U-value). This is termed the Ud-value, and can be calculated for either a rooflight alone, or for a rooflight-andkerb assembly.
Ud-values: the correct values for checking against limiting values in The Building Regulations The Ud-value is calculated from the developed area of the rooflight. Where a rooflight-and-kerb assembly is being supplied, the rooflight supplier should be able to quote this value both for the rooflight only, AND for the entire assembly. To ensure Building
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Regulations compliance, both of these values must achieve the worst acceptable standard of 2.2 W/m²K for refurbishment or domestic applications, or 1.8 W/m²K for domestic applications. It is not acceptable to use an assembly of a rooflight with poorer thermal performance (such as double skin rooflights) on a kerb simply because the Ud-value for the rooflight-and-kerb assembly is better than the limiting values in the Building Regulations, unless the Ud-value for the rooflight alone also meets the limiting values. NARM has published a number of technical documents covering the subject of rooflights and energy saving, which provide detailed information for specifiers. These can be downloaded free of charge from the NARM website. www.narm.org.uk
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ROOFLIGHTS & SUSTAINABILITY
GRP rooflights: the sustainable solution Appropriately chosen GRP industrial rooflights can play a significant role in enhancing the sustainability of both new build and refurbishment projects, explains William McDowell of Hambleside Danelaw.
Appropriately chosen GRP industrial rooflights can play a significant role in enhancing the sustainability of both new build and refurbishment projects. The sustainability benefit of rooflights within industrial buildings is commonly acknowledged: natural daylight reduces the need for supplementary artificial light. But GRP rooflights
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can bring much more. With latest developments, rooflights can now make a quantifiable points contribution towards BREEAM ratings. Zenon GRP rooflights are the first to attain an independently verified Environmental Product Declaration (EPD) from the Building Research Establishment (BRE). The EPD means
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ROOFLIGHTS & SUSTAINABILITY that inclusion of Zenon rooflights within a scheme can add 1.5points towards BREEAM accreditation under the Materials (Mat 02) category. That tangible contribution is irrespective of any further contribution the rooflights may bring in the Energy and Health & Wellbeing categories. Remember, Materials, Energy and Health & Wellbeing are the three most heavily weighted categories for BREEAM. Under Energy, rooflights contribute by reducing the need for artificial light: a rooflight allows up to three times more daylight into a building than the equivalent sized wall lights- and thermal performance: modern, double skin rooflights can attain a U value as low as 0.9W/m2K. Under Health & Wellbeing, rooflights are proven in numerous studies to improve occupant performance. According to the Chartered Institute of Building (CIOB), 70% of the buildings currently standing will still be here in 2050. The opportunity therefore lies as much in retrofitting and upgrading existing building stock, which often feature old, thermally inefficient singleglazed rooflights.
core offers enhanced light transmission and lower embodied carbon than traditional rooflight insulating materials; it is manufactured from cellulose acetate that is compostable at the end of its life. Zenon GRP rooflights do not emit any chemicals once installed, so are safe to use with grey water systems, and in green roof schemes. So in the battle to find sustainable strategies, look up to the roof, and make the most of a ‘hole’ in it. Full details of Hambleside Danelaw’s rooflight sustainable solutions can be found at: www.hambleside-danelaw.co.uk/ zenon-rooflights/
To optimise the role of rooflights within a sustainable project, there is potential to increase the ratio of rooflights: metal roof. Historically, the perception was 10% rooflights was optimal. However, independent research commissioned by the National Association of Rooflight Manufacturers (NARM) indicates that between 15-20% can reduce emissions by 28.7kgCO2/m2/yr. Developments in rooflight technology have advanced the sustainability benefits. Zenon Evolution GRP sheet features an innovative reinforcement that gives a stronger substrate that is lighter in weight and has up to 40% less embodied carbon than traditional GRP rooflight sheeting. Zenon Insulator
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CASE STUDY
Bespoke daylighting solution for pharmaceutical manufacturing Specialist provider of daylighting, natural ventilation and smoke management systems, Kingspan Light + Air, has recently designed and installed a bespoke solution to satisfy the unique and technical requirements of global pharmaceutical company, Astellas Pharma Inc. Astellas Pharma, one of the world’s top 20 pharmaceutical companies, produces a range of innovative and life-saving treatments for patients around the globe. Recognising the need for expansion, the decision was made to upgrade and extend the company’s Irish manufacturing plant in Kilorglin, Co. Kerry. The new-build looked to incorporate industry best practice design and
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technologies. As corporate social responsibility is a cornerstone of the business strategy, driving the inclusion of energy efficient design and sustainability into the construction of the new ARK warehouse was essential. The project successfully achieved LEED gold certification for incorporating sustainable and innovative practices to limit waste and minimise the carbon footprint.
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CASE STUDY Astellas approached Kingspan Light + Air with a unique proposal for daylighting. Despite wanting to make the most of natural light to help to reduce energy consumption and reap the health and safety benefits of daylight for workers, it became apparent that solar heat gain needed to be controlled to protect the products manufactured at the facility.
“The project successfully achieved LEED gold certification for incorporating sustainable and innovative practices to limit waste and minimise the carbon footprint”.
Working from the design stage, Kingspan Light + Air provided a detailed technical support using building information modelling to showcase the potential and effectiveness of rooflights in regard to energy efficiency. Following an in-depth review of the proposal, Kingspan Day-Lite Kapture rooflights were installed to maximise the amount of useful daylight in the warehouse, whilst minimising demand for artificial lighting. Kingspan Light + Air designed a bespoke solution to satisfy the requirements of Astellas. The tripleglazed rooflight used specially designed polycarbonate layers to maximise light transmission and climate control was also addressed – ensuring that solar heat gain was limited to ensure manufacturing products would not be compromised as a result of the additional light source. The unique and technical requirements of Astellas Pharma and the seamless and bespoke design and installation completed by Kingspan Light + Air is testament to Kingspan’s commitment to providing efficient daylighting solutions that reflect the clients’ needs. Kingspan Light + Air’s ability to design and create unique solutions to satisfy all specifications demonstrates its dedication to deliver healthy, comfortable and efficient environments in a wide range of applications. www.kingspanlightandair.co.uk
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DAYLIGHTING ICONS The biggest: the best: the most awe-inspiring; the most outrageous; the most influential... In this regular feature we indulge ourselves and our readers with images of daylighting projects throughout the years that simply deserve a double page photograph...
Crossrail Place, Canary Wharf, London Foster + Partners’ design for this building is characterised by a landscaped, sheltered public park on the roof, accessible from ground level by connecting bridges. The design of the lattice itself is a fusion of architecture and engineering. Despite the smooth curve of the enclosure, there are only four curved timber beams in the whole structure. To seamlessly connect the straight beams, which rotate successively along the diagonals, the design team developed an innovative system of steel nodes Between the beams are ETFE plastic cushions, which are filled with air and lighter than glass. These highly insulating air cushions create a comfortable environment for people to enjoy the gardens all year round, as well as providing a favourable microclimate for some of the plants, which include some of the species that first entered Britain through the historic docks.
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DAYLIGHTING ICONS
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Twitterings Follow us for regular updates between issues... in the meantime, more highlights...
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DAYLIGHTING MAGAZINE
DAYLIGHTING Magazine back issues Click on the cover images below to open back issues Issue 2 Jan/Feb 2017
Issue 3 Mar/Apr 2017
Issue 4 May/Jun 2017
Issue 5 July/August 2017
DESIGN & TECHNOLOGY FOR BETTER BUILDINGS
DESIGN & TECHNOLOGY FOR BETTER BUILDINGS
DESIGN & TECHNOLOGY FOR BETTER BUILDINGS
DESIGN & TECHNOLOGY FOR BETTER BUILDINGS
IN THIS ISSUE:
IN THIS ISSUE:
Passivhaus Daylighting
Daylighting in education
DAYLIGHTING & HEALTH PATENT GLAZING NON-FRAGILITY GLAZING INNOVATION AND MORE
DAYLIGHTING & VENTILATION TUBULAR DAYLIGHT SYSTEMS GRP ROOFLIGHTS RIGHTS TO LIGHT AND MORE
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DESIGN & TECHNOLOGY FOR BETTER BUILDINGS
IN THIS ISSUE:
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Daylighting in FACTORIES & WAREHOUSES
Daylighting for dramatic effect RETAIL SECTOR REFURBISHMENT & ENERGY SAVING MODULAR ROOFLIGHTS AND MORE
ENERGY SAVING WITH LIGHTING CONTROLS CURTAIN WALLING AND MORE
Issue 13 November/December 2018
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DELIVERING DAYLIGHT TO DUNDEE’S NEW V&A
IN THIS ISSUE: DAYLIGHTING & VENTILATION IN THE
IN THIS ISSUE:
SUN TUBES DELIVERING DAYLIGHT DEEP INTO BUILDINGS • ROOFLIGHTS & NON-FRAGILITY • PASSIVHAUS • DAYLIGHTING IIN MUSEUMS & GALLERIES AND MORE
RETAIL SECTOR • DAYLIGHTING IN EDUCATION • LIGHT TRANSMISSION: FACTORS TO CONSIDER • ROOF SAFETY • TRANSLUCENT CLADDING AND MORE
Issue 16 May/June 2019
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IN THIS ISSUE:
DYNAMIC SHADING
CONTROLLING
• DAYLIGHTING IN SCHOOLS • LISTED BUILDINGS • ROOF SAFETY • FIRE SAFETY AND MORE
PLUS: • ROOFLIGHTS & SECURITY • TRANSLUCENT CLADDING • ROOF SAFETY • NEWS • PROJECTS AND MORE
PLUS: • RIGHTS TO LIGHT • TRANSPORT SECTOR SOLAR SHADING • INDUSTRIAL ROOFLIGHTS AND MORE
AND OTHER WAYS TO COMBAT EXCESSIVE HEAT & GLARE • 5 REASONS TO AVOID UNDER-SPEC ROOFLIGHTS • DAYLIGHTING IN MUSEUMS & PUBLIC SPACES • ROOF SAFETY • PROJECT NEWS AND MORE
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DAYLIGHTING IN EDUCATION
IN THIS ISSUE:
HEAT& GLARE
EDITOR Paul Bennett paul@daylightingmag.co.uk Tel: 01295 711666 Mobile: 07900 895110
While every effort is made to ensure the accuracy of content, the publisher does not accept liability for errors. The views expressed by contributors are not necessarily those of the editor or publisher. This publication contains editorial photographs which may have been supplied and paid for by suppliers. Full terms and conditions can be found on our website.
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DAYLIGHTING Magazine is published by Bennett B2B, a UK communications and publishing business offering a complete range of specialist services for companies serving the construction sector: • On-line publishing • Copywriting • Design for web and print • Photography • 3D imaging • PR • Consultancy Telephone 01295 711666 Email: paul@bennettb2b.co.uk www.bennettb2b.co.uk