DAYLIGHTING Magazine issue 31 November/December 2021 by BB2B

Issue 31 November/December 2021

DAYLIGHT vs DENSITY WHY A PROPOSED NEW UNIVERSITY BUILDING IS CREATING CONTROVERSY p23

PLUS:

ROOFLIGHTS & ZINC ROOFS URBAN REGENERATION NEW PROJECTS AND MORE

The rooflighting authority NARM, the National Association of Rooflight Manufacturers, represents manufacturers and suppliers of all types of rooflights and has played a pivotal role in establishing the effects of rooflighting on building performance and in the development of rooflight standards which protect the marketplace from potentially poorly performing products – as well as promoting best practice among specifiers and installers. Recognised as the UK’s leading independent and impartial authority on rooflighting, NARM’s knowledge and expertise is freely available, together with member company

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CHO I CE

RIBA accredited CPD materials Available

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listings, at www.narm.org.uk

R O AD VERHE

LAMINATED INNER PANE ENDORSED BY

THE TRADE ASSOCIATION REPRESENTING LEADING UK ROOFLIGHT SUPPLIERS

CONTENTS

REGULARS

Editor’s Comment

Industry News

FEATURES

DAYLIGHTING is published by: Bennett B2B Ltd 7 Vicarage Gardens Cropredy, Banbury OX17 1PJ United Kingdom Tel: +44 (0)1295 750519

Rooflights Rooflights and Zinc Roofing Paul Trace of Stella Rooflight explains the factors to consider when specifying rooflights for zinc roofs.

EDITOR Paul Bennett paul@daylightingmag.co.uk Mobile: 07900 895110

New Projects

DESIGN/PRODUCTION info@bennettb2b.co.uk

Daylight Planning

NARM Daylight Diary Updates from the UK’s influential trade association for rooflight manufacturers

Daylighting Icons Gardens by the Bay, Singapore

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WEBSITE www.daylightingmag.co.uk

Daylight vs Density: Mega donor’s planned student ‘mega dorm’ pits density against daylight An extreme design in California has Americans debating their priorities when it comes to density. By Megan Kruse 23

Urban regeneration Delivering daylight to a major town centre regeneration project

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 5,500, 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

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Case study: The Glass Works, Barnsley by Lareine Engineering 26

Trade Associations

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NARM: Community works better than individuals Tom Ogilvie, Chairman of NARM, the National Association of Rooflight Manufacturers, considers its role in the wider construction industry. 28

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.

November/December 2021

of Monovision flat glass rooflights, our solutions deliver performance & peace-of-mind. Lareine Engineering is a preferred supplier to leading architects, engineers & contractors, with a service that includes in-house design, manufacture, installation and servicing.

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EDITOR’S COMMENT

Less is more: looking to 2022 DAYLIGHTING Magazine will be celebrating its fifth birthday in 2022. These first years have been a learning curve for me. I’ve learned a huge amount about aspects of daylighting I never knew existed. I’ve learned the ‘ins and outs’ of running a digital publication. And I’ve learned that in terms of editorial content, quality is paramount. For 2022 I’ve decided to reduce the frequency to four issues per year, rather than the current six, to better meet that last criterion. With fewer issues to assemble, there will be more time to source and generate more high quality content that our readers tell me they appreciate. So the balance of future issues will shift towards articles – although we will maintain relevant news content. Having said that, there’s no shortage of quality content in this issue. Megan Kruse’s revealing article on page 23 puts the spotlight on a controversial

proposed development in which the requirements for daylight for building occupants are balanced against density of occupation. Paul Trace of Stella Rooflight explains the factors to consider when specifying rooflights for zinc roofs, on page 16. You can read how Lareine Engineering has helped to deliver daylight to a major town centre regeneration project in South Yorkshire, on page 26. Tom Ogilvie, Chairman of NARM, the National Association of Rooflight Manufacturers, says that ‘community works better than individuals’ as he considers NARM’s role in the wider construction industry, on page 28.

Paul Bennett paul@daylightingmag.co.uk

You’ll also find the usual mix of news, projects and other features. I hope you’ll find it all interesting reading – and as always, if you have any thoughts or comments, please drop me an email.

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DAYLIGHT & SUNLIGHT PLANNING INDUSTRIAL BUILDINGS SCHOOLS LATEST PROJECTS AND MORE

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Previous issues of DAYLIGHTING Magazine are available on-line indefinitely. So you can refer back to old issues whenever you like, right here: http://www.daylightingmag.co.uk/archives/

November/December 2021

INDUSTRY NEWS

COP26: Five key updates for construction decarbonising heat and buildings, including the new £450 million 3-year Boiler Upgrade Scheme • £124 million boost to the Nature for Climate Fund helping meet commitments to restore approximately 280,000 hectares of peat in England by 2050 and treble woodland creation in England • £120 million towards the development of nuclear projects through the Future Nuclear Enabling Fund Paul Adepoju / Shutterstock.com

Net zero targets introduced for government supply chains In the run-up to COP26, it was confirmed that from 1 October all companies bidding for government contracts worth more than £5 million a year must commit to achieving Net Zero emissions by 2050. Under the new rules, set out in Public Policy Note 06/21, in-scope organisations need to produce a carbon reduction plan detailing where their emissions come from and what environmental management measures they have in place. While some large companies already self-report Scope 1 (direct) and Scope 2 (indirect owned) carbon emissions under the Streamlined Energy and Carbon Reporting regulations, the new targets require them to go further. This includes committing to achieving Net Zero by 2050 and reporting Scope 3 emissions such as business travel, employee commuting, transportation, distribution and waste. The requirements currently

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only apply to government contracts, but they could become an advisory part of the Common Assessment Standard in 2022.

Government publishes Net Zero Strategy On 19 October, the government published its Net Zero Strategy: Build Back Greener, which outlines how the UK will deliver on its commitment to reach net-zero emissions by 2050. Measures set out in the strategy include: • An extra £350 million to support the electrification of UK vehicles and their supply chains and another £620 million for targeted electric vehicle grants and infrastructure • £140 million Industrial and Hydrogen Revenue Support scheme to accelerate industrial carbon capture and hydrogen projects • An additional £500 million towards green technologies of the future to support the most pioneering ideas and technologies to decarbonise our homes, industries, land and power • £3.9 billion of new funding for

Company climate disclosures to become mandatory The eve of COP26 saw the announcement that from 6 April 2022, subject to Parliamentary approval, it will become mandatory for large UKregistered companies to disclose climate-related risks. In line with recommendations from the Task Force on Climate-Related Financial Disclosures (TFCD) the new requirements will apply to financial institutions along with private companies that employ more than 500 people and with more than £500m in turnover. The mandatory disclosures are designed to increase the quantity and quality of climaterelated reporting among UK businesses and to encourage more companies to assess the risks and opportunities posed by climate change, including within their supply chains. Nonmandatory guidance to support companies in their disclosures is due by the end of 2021.

SMEs urged to take Climate Pledge Throughout COP26, businesses

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INDUSTRY NEWS of all sizes were encouraged to sign up to the globally recognised UN Race to Zero Climate Commitment which includes a focus on supporting SMEs to make a difference via the SME Climate Hub. SMEs that take the pledge commit to halving greenhouse gas emissions before 2030, achieving net zero emissions before 2050, and disclosing their progress yearly. SMEs make up 99% of UK businesses; business and industry accounts for a quarter of UK emissions so the efforts of smaller companies are essential but smaller businesses can lack the resources and knowledge needed to make a difference. Once businesses have taken the pledge, the SME Climate Hub provides support in the form of tools to help organisation understand their emissions, how to tackle them, and how to share what they’re doing with their customers and community.

The Environment Bill passes into law On 9 November, the Environment Bill became the Environment Act 2021 after the House of Lords gave the legislation Royal Assent. This means a post-Brexit framework for environmental governance in England is now in place and legally binding targets for air pollution, biodiversity, water quality and waste are on their way. The Environment Act has also established a new Office for Environmental Protection which will hold government and public authorities to account against their commitments and environmental law. constructionmanagermagazine. com

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Product testing ‘failing to meet post-Brexit demands’ The switch from the old European CE mark to the new UKCA conformity mark on construction products and machinery is not working out, government has been told. The Construction Leadership Council has told minister that the transition to the post-Brexit product marking regime – which has already had to be postponed once – needs a serious re-think. “We have identified the many complex and inter-connected issues involved in this transition,” the Construction Leadership Council co-chair Andy Mitchell says in a letter to both Michael Gove, secretary of state for “levelling up” (which includes housebuilding), and Business secretary Kwasi Kwarteng. These include a lack of product testing capacity in the UK. There is a large pan-European network of testing facilities for CE marking but, since Brexit, the UK no longer recognises any of these. Everything has to be re-tested by a UK body authorised by UKAS, the national accreditation body for the United Kingdom. And there are too many products on the market for the UK testing industry to cope with. The transition from CE, marking to the new United Kingdom Conformity Assessed (UKCA) mark had originally been scheduled for the end of 2021. In August this year it was put back to 1st January 2023 in recognition of the problems.

There must be a significant expansion of facilities with the incumbent recruiting and training of staff, who must all then receive authorisation by UKAS, before more products can be put through the new process. Unfortunately, this expansion of capacity is not happening quickly enough. “We have been collecting tangible evidence from construction product manufacturers about the lack of testing capacity. The evidence makes clear that numerous common and essential products such as radiators, glass, passive fire protection, glues and sealants will be adversely affected by a lack of UK testing capability. The consequences are clearly damaging not only to the UK construction sector but also to the government’s ambitions around housebuilding, infrastructure, building safety and net zero in the built environment.” It is only an issue in Great Britain. Northern Ireland will be allowed to keep using CE marked products. The Construction Leadership Council offers several fixes to the problem, including allowing CE certified products onto the GB market for a longer transition period or allowing testing to be subcontracted overseas – offshoring UKCA certification. “There are steps that can be taken to mitigate these risks, but action is needed now. The extension of the deadline to January 2023 is not sufficient to prevent significant disruption.” www.theconstructionindex.co.uk

November/December 2021

INDUSTRY NEWS

Whitesales announces acquisition of Lareine Engineering Whitesales Ltd and Lareine Engineering, two of the best known names in the flat rooflight, roof glazing and daylighting market, have come together in an acquisition deal which will maximise the synergies between them and deliver significant benefits for both businesses. On the 5th November 2021, Lareine became a wholly owned subsidiary of Whitesales and will continue to operate from its base in West Lothian. Tom Bates, Managing Director at Lareine, commented on the deal: “This is a really exciting new chapter for Lareine. We are joining forces with a refreshing and dynamic business in the daylighting market which shares our values and is committed to investing in our future. That’s a huge positive and the news has been warmly welcomed by the whole team.” Whitesales’ Managing Director Chester White says the move is

good news for both businesses. He explained: “For Lareine, it secures the long-term future of the business as a major supplier of engineered daylight solutions to key markets in Scotland and the North of England and establishes the West Lothian facility as our UK manufacturing hub. It brings guaranteed investment in new facilities, technologies, and processes as we are looking to increase volumes right across our ranges, and in Continuous Rooflights in particular.” “For Whitesales, which is already the UK leader in this market, it gives us additional manufacturing capacity in line with our plans for continued rapid growth and gives us vital control over our UK-based supply chain.” He added: “I’m sure customers will welcome the news. There’s obvious synergy between us in terms of product ranges, knowledge and expertise, and our approach to the market. Customers who are buying from either Whitesales or Lareine can expect business as usual over the

next couple of months and the same high levels of service they have been used to. Very soon, we will be giving them shared access to both product ranges so, effectively, they will get everything they are already getting and more, with more choice, improved continuity of supply and lots of new market opportunities, all through their existing supplier.” Whitesales’ agility and focus are what sets it apart in the daylighting market. Customers have benefited from its outstanding performance and resolve to continue supply throughout the challenges of recent times. Thanks to strategically timed investments in materials and stock, it has largely been able to maintain service levels and many new customers have switched to its robust and reliable offering as a result. More info at: www.whitesales.co.uk www.lareineengineering.com

Winners crowned at the Façade Awards UK 2021 Following hundreds of entries, a shortlist of projects, and a judging day where a panel of industry experts deliberated on the finalists, the winners of the Façade Awards UK 2021 have finally been announced.

contractors, manufacturers and suppliers who demonstrate an outstanding level of technical ability, an excellent quality of work, and showcase the superstars of the industry who have gone unnoticed, until today.

Now in its second year, the awards, founded by Roofing, Cladding & Insulation (RCI) magazine, celebrates the achievements of façade

Twelve champions were crowned at the well-attended ceremony on Friday 19 November at The Midland Hotel in Manchester, which was hosted by television

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and radio presenter, Jenny Powell. All the finalists who were announced on the day were judged by a panel of independent industry experts, who had a tough task of pouring over the submissions to decide which entries had that extra special something and was worthy of an award. The full lst of wnners can be seen here.

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INDUSTRY NEWS

80% of architects ‘worrying about liability issues’ With 80% of architects worrying about liability issues, experts say early collaboration is key to tackling risks, according to new research Training, collaboration and collective responsibility are the three key ways the construction industry can tackle risk, according to recent research carried out by Etex. Etex asked 250 construction industry decision makers including contractors, project managers, procurement teams, asset managers, consultants and architects for their views on risk, including risks specific to their roles. The findings were then put to a panel of experts to get their take on the matter. Overall, the majority of respondents (63%) believed that the construction industry is good when it comes to identifying risks, with three quarters believing that the discussion around risk happens at an early enough stage in a project’s lifecycle. Confidence in their profession’s ability to identify risk was highest amongst project managers (76%) and contractors (70%). The research and panel discussions provided three core recommendations when it comes to risk across the board: 1) A focus on training and skills development is crucial to mitigate risk and increase quality. 2)

Collaboration is essential

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from the start to identify risks quickly and throughout a project to prevent costly issues down the line. 3) Risk is a collective responsibility, but policy makers could be doing more. Commenting on this, Melanie Davies, Market Manager at Etex, said: “Risk is a huge challenge for the entire construction sector right now, with a perfect storm of different elements such as labour shortages and changing H&S regulations contributing to this. There are, however, ways that industry can get around some of these challenges and it’s promising to see a number of industry experts citing collaboration, training and skillsdevelopment as key ways to reduce risk. It’s now about how the industry goes about improving in these areas, which really does need to be a collective effort from all areas of the supply chain.” When asked about the top factors that create the most risk in the sector, a lack of quality control, unclear Government guidelines and a shortage of high-quality materials all ranked top. A total of 73% of respondents said that they were concerned about liability issues when specifying building materials, with contractors (84%) and architects (80%) stating this was their biggest worry.

decisions they make and the risk implications, with architects and asset management professionals both stating it as a high concern (69%), followed by project managers (68%) and contractors (67%). However, the majority of respondents agreed that the government should determine the burden of risk for stakeholders, with 61% saying that it was up to the government to provide clear guidelines for construction sector stakeholders to be able to reduce risks. Mathew Baxter, Founder of echelon Consultancy, added: “Over the past few years, the government have tried to be more cooperative. There has been a tendency to push legislation out which changes fairly fundamental roles. I think it’s improving, but there still needs to be more consultation from the government to understand the thoughts of those on the ground before implementing new legislation. If there was ever a perfect storm in the sector it’s now, so the government need to have a hands-on, hand-holding approach when implementing new legislation.” www.etex-bp.co.uk

Most respondents said that they worry regularly about the

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INDUSTRY NEWS

LAMILUX launch new website LAMILUX U.K standard portfolio. Furthermore, if standard products aren’t appropriate, the site links through to the LAMILUX product configurator where architects and specifiers can create their ideal product variation.

LAMILUX U.K Ltd invite you to visit www.lamiluxskylights. co.uk - their brand new website. Four simple headings direct you to our ‘Rooflights’ ‘Smoke Ventilation’ ‘Access’ and ‘Passivhaus’ overview pages, each detailing their respective available products within that category.

The site features clearly displayed details of the new LAMILUX U.K Ltd standard product offering, which has been selected based on the most sought after sizes and specifications. The new site enables visitors to download the specific data sheets and drawings for each standard product variant within the

Additional support and guidance can be offered to the user when a completed online enquiry form is submitted to the LAMILUX team of experts - who are on hand ready to respond. The new comprehensive website brings together the LAMILUX and roda products and will be updated regularly with the latest news, product information and case studies. Visit the new website at: www.lamiluxskylights.co.uk

THE EVIDENCE FOR REFURBISHMENT IS CLEAR TRANSFORM YOUR BUILDING, UPDATE YOUR ROOFLIGHTS.

Increasing natural light levels and reducing reliance on artificial light creates many benefits: • Produces savings in ongoing energy costs • Impacts positively on the carbon emissions of the building • Improves the health and wellbeing and productivity of occupants • Improves internal and external safety to access the building • Improves aesthetic appearance • Can increase the property’s asset value Contact us for a copy of our Refurbishment Guide brochure

DISCOVER MORE: WWW.HAMBLESIDE-DANELAW.CO.UK/ZENON-ROOFLIGHTS T: 01327 701 920 E: SALES@HAMBLESIDE-DANELAW.CO.UK

November/December 2021

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INDUSTRY NEWS

BSI launches digital ID cards for building products The British Standards Institution (BSI) has developed a digital database to provide reassurance to builders that the products they are using are the products that were specified. BSI has worked with construction product manufacturers to develop Identify, a new service designed to improve transparency and product traceability through the construction supply chain. Identify is the BSI’s response to Dame Judith Hackitt’s Independent Review of The Building Regulations and Fire Safety, which called for “an identification system that could provide every component in a building with a unique and persistent identification code” – the so-called golden thread. Under the new system, manufacturers can receive a

unique digital object identifier, called a BSI UPIN (universal persistent identification number) for every product that is specified and incorporated in a building structure. BSI Identify holds these UPINs in a searchable database. The manufacturer can then mark or tag their products with the UPIN, using Quick Response (QR) codes, nearfield communication (NRC) or radio-frequency identification (RFID) tags. In this way, UK manufacturers will be able to directly manage information about their products in the supply chain. Manufacturers can be reassured that their customers always have access to the most up to date product information, as the UPIN directs users to the database with all relevant product information, controlled by the manufacturer. Construction

Products Association (CPA) was among the organisations involved in the development of the new ID system. Chief executive Peter Caplehorn said: “Digitalisation of the construction industry is essential to drive productivity, improve performance certainty, and ensure the robust verification of products and their information. The deployment and use of DOI in the product sector is long overdue and will inevitably lead to a step change in efficiency for construction and maintenance across the built environment. The CPA is delighted to be involved in this initiative and we see it as an important contribution towards the ‘golden thread’ of information called for in the Dame Judith Hackitt review.” www.theconstructionindex.co.uk

NARM publishes updated rooflighting guidance document NARM, the National Association of Rooflight Manufacturers, has updated its technical document entitled ‘NTD01.3 – An introduction to natural daylight design through rooflighting’ , in response to in response to the issue of separate Building Regulations compliance guidance documents for each of the devolved nations of the UK. The updates cover fire safety aspects affecting rooflights, including: escape of building

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occupants; inhibition of the spread of fire; and structural integrity. Outlines of fire classification of construction products/ building elements and fire tests on building materials and structures are also included.

NARM Technical Document NTD01.3 2021

An introduction to natural daylight design through rooflighting

The document is one of a series of comprehensive technical documents published by NARM – all of which are available for free download from the NARM website, at: www.narm.org.uk

November/December 2021

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INDUSTRY NEWS

Royal Fine Art Commission Trust launches The Building Beauty Awards The Royal Fine Art Commission Trust has launched a new award scheme to promote beauty in UK buildings and streets, as part of its charitable mission to promote design excellence in the built environment. The Building Beauty Awards celebrate buildings, engineering structures and urban landscaping schemes that add beauty to our environment. Everyone from architects to members of the public is welcome to submit an entry free of charge at buildingbeautyawards. com. The deadline for entries is the end of March 2022. The judging panel will be led by one of Britain’s foremost design

critics, Stephen Bayley Hon FRIBA, founder of The Design Museum in London and Chairman of the Royal Fine Art Commission Trust. He will be joined by the architectural commentator Paul Finch OBE, the architectural writer Clive Aslet and the cultural historian Kassia St Clair. Other judges will be announced shortly. Winners will be announced at a ceremony in early Summer 2022. Commenting on the new awards, Stephen Bayley said: “the importance of beauty in our surroundings is huge. Beautiful buildings make us happier and healthier while ugly buildings dull our senses and lower our spirits. Forthcoming reforms to

the planning system will give people greater power to insist on beauty. Through these awards we want to draw attention to the excellent work being done by architects, engineers and designers, celebrating the contribution of those who take the trouble to ensure that our built environment lifts us up rather than drags us down. “ Alongside the awards, the Trust is launching a Building Beauty Grants scheme to promote small-scale beautification projects across the UK. Applications can be made from today at buildingbeautyawards.com

RCI Show 2022 Organisers Mark Allen Group extend thanks to everyone that attended the RCI Show 2021 and are pleased to announce that the 2022 event will be going ahead at the Stadium MK in Milton Keynes on 28-29th September 2022.

The RCI Show is the largest UK event where the entire roofing, cladding and insulation supply chain comes together. For further information, visit: www.rcishow.co.uk

UK Construction Week London 2022 UK Construction Week London will connect the whole supply chain in an event designed to oil the wheels of construction commerce at London’s ExCeL on 3rd-5th May 2022. With Government support and education on how to tap into major investment opportunities in housing and infrastructure,

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UKCW London will be the must attend construction event this Spring. To register go to: https://www. ukconstructionweek.com/ uk-construction-weekregister-as-an-attendee www.ukconstructionweek.com

November/December 2021

NEW PROJECTS St Marys Church, Wivenhoe, Essex Stella Rooflight installed three bespoke conservation rooflights for the main annexe building and one smaller electrically opening unit for the new entrance hallway as part of a recently completed transformation project. All three rooflights were manufactured using marine grade 316 stainless steel and finished with a high grade C5 marine powder coating. This was an important factor given the church’s close proximity to the mouth of the River Colne and the English Channel. www.stellarooflight. co.uk The Mall, Walthamstow Following a fire in 2019 that caused extensive damage, remedial works along with an additional retail extension are now complete at The Mall, Walthamstow. The innovative combination of glazing and Kalwall adds to the contemporary look of the building as a whole while maximising energy efficiency and allowing for as much daylight as possible to be admitted. thereby reducing the strain on expensive HVAC systems. www.structura-uk. com/kalwall/

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NEW PROJECTS The Copper House, Liverpool Kawneer’s AA®100 curtain wall, AA®720 windows and doors, AA®541 window vents and AA®190 TB doors all feature on the £60 million Copper House at 21 Strand Street, designed by Leach Rhodes Walker architects and developed over three years by main contractor GRAHAM. www.kawneer.com

Springwood Primary School, Manchester Twinfix designed and installed this mobile canopy at the School, to comply with a Build-Over Agreement issued to the school by the Water Board, which required 24/7 access to the drains beyond the proposed site for the canopy. This impressive free standing curved canopy, spanning a total of sixty square metres comprises a sliding section with a run length of three metres and a static section with a run length of 17.5 metres. www.twinfix.co.uk

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November/December 2021

ROOFLIGHTS

Rooflights and Zinc Roofing By Paul Trace, Stella Rooflight Despite being used for over 200 years, zinc roofs have hit their prime. Versatile, robust and with multiple colours and styling options, they are an architect’s dream. What’s more, with a growing focus on sustainability in design, zinc is a 100% recyclable material that is also energy efficient to produce. With so many benefits, zinc roofing is an attractive proposition for properties. However, often architects will talk about the trade-off you may have to make with a zinc roof. For example, many architects may steer away from zinc if you are planning to add rooflights. Similarly, architects might focus on other natural light options if a zinc roof is the right choice for your property. However, does there always have to be a trade-off? Here we uncover the myths around rooflights and zinc roofs and offer some top tips to ensure you can achieve the best of both worlds.

Why Is Zinc Roofing So Popular? With their contemporary styling, it’s hard to believe that zinc has been used in roofing for centuries. However, it’s the contemporary appearance that is really allowing zinc to grow in popularity. Whereas some roofing material will mean compromising your building materials, zinc offers a huge variety of colours and finishes so that it can work in harmony with almost any structure. This versatility makes zinc ideal for a range of roofing projects. For example, agricultural projects, converted barns as well as listed or protected buildings,

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such as those in conservation areas. Zinc colours can blend or contrast with the building, while different textures such as ripples, grooves, and scales can help enhance the aesthetic.

Ready For Weather And The Next 100 Years As well as the design and aesthetics, a zinc roof offers longevity. It has excellent weatherproof properties and is UV-resistant. This ability to withstand harsh conditions adds to the lifespan of a zinc roof, as does the ability to resist corrosion. In fact, some describe zinc as self-healing as it has an unusual ability to repair itself over time when it comes to surface scratches.

“ ...zinc is ideal for a range of roofing projects. For example, agricultural projects, converted barns as well as listed or protected buildings, such as those in conservation areas.”

All of this combined means that zinc roofing can have a long-term serviceable life. In some cases, zinc roofing can last for up to 100 years. What’s more, during such a long lifespan, the maintenance requirement is minimal. The most important maintenance is to clear debris such as fallen leaves and ensure the zinc is treated where necessary.

Can You Install Rooflights In A Zinc Roof? There are several concerns when it comes to installing rooflights on a zinc roof. One is the fact that rooflights can tend to look bulky on a zinc roof. This is especially apparent as a zinc roof can have an ultra-thin profile. The fact that many rooflights can have a bulkier frame can deter architects and property owners. When there is an overlap or large seam, there is also a potential problem with heavy rainfall. A thicker rooflight

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ROOFLIGHTS

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November/December 2021

ROOFLIGHTS

profile can increase the risk of water ingress. This can also be exacerbated when the roof pitch is low. Without a high angle to promote water run-off, there is a risk that water will pool at the top of the rooflight. This may be fine in the short term but may cause long term issues, especially if the water finds a way into the roof. The way to get around this, is to opt for rooflights that can fit flush against the roof. Having an ultra-thin frame that sits flush against the roof can help prevent the risk of water ingress while also offering a more pleasing aesthetic and maintaining the clean lines of the roof.

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Zinc Roof Rooflights: Key Considerations If you’re looking to incorporate rooflights into a zinc roof, there are factors to consider to ensure it is a success: Design A zinc roof is often chosen because of its aesthetic. The installation of a rooflight, particularly bulky rooflights, can be unsightly on the streamlined, thin profile of a zinc roof. Often, zinc roofing is used in conservation areas as it can work sympathetically with slate roofing. However, for rooflights to be approved by conservation building officers, it is crucial for the rooflights to be part

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ROOFLIGHTS of the seamless design of the roof. A subtle design is essential, and this is best achieved by using rooflights that sit flush against the roof so they are barely detectable. A thin but durable frame of the rooflight can help to ensure that they meet the needs of a conservation plan and is in keeping with the sleek design of the roof. Roof Pitch As mentioned above, the pitch of the roof can be a significant consideration when installing a rooflight. A low pitch (roof angle) can mean that the water doesn’t run off with ease. As a result, more standing water on the roof can lead to water ingress, and the seams around the rooflight can cause capillary action to draw water into the roof construction. The most successful rooflight installation will be in properties with a significant roof pitch. Ideally, a pitch would be above 14 degrees as capillary action is more likely in an angle less than this. If you have a low roof pitch, then it is still possible to install rooflights. However, it becomes more important to opt for rooflights with a thin profile to prevent the build-up of water around the frame or head of the rooflight. You can also help to mitigate the risk of water ingress by installing a gully around the rooflight to improve drainage and reduce the amount of water that flows over the top of the rooflight’s surface. Width And Seams Another key consideration is the width of the rooflight. Naturally, many property owners appreciate large rooflights that let in as much natural light as possible. However, large rooflights on a zinc roof can cause

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issues with water ingress. A rooflight will typically be installed across seams in the roof. However, the more seams that a rooflight crosses means that more water has to be diverted further. This water diversion can cause puddling or pooling, increasing the risk of water build-up and ingress without the roof materials. Generally, it is recommended that rooflights should not cross more than three seams in a zinc roof. This is an important design and lighting consideration when working out the maximum width of the rooflights.

Stainless Steel Ultra-Thin Rooflights For Zinc Roofs Stella Rooflight is an architect’s favourite for zinc roofing, due to their strong and durable construction and ultra-thin stainless steel profile. Stella stainless steel slim rooflights sit flush against the roof, helping to improve the aesthetics, meet the needs of conservation regulations and reduce the risk of water issues too.

“ Often, zinc roofing is used in conservation areas as it can work sympathetically with slate roofing. However, for rooflights to be approved by conservation building officers, it is crucial for the rooflights to be part of the seamless design of the roof.”

All Stella rooflights are bespoke made for each project and can therefore be designed to fit any size or shape required, with a wide range of bespoke options available. In addition, much like a zinc roof, Stella’s stainless steel rooflights offer unrivalled longevity, and will not rust, unlike mild or carbon steel framed alternatives. A Stella rooflight is the ideal choice to complement a zinc roof application. To find out more about how Stella Rooflight can help you create stunning bespoke, highly efficient rooflights on a zinc roof, get in touch with our team today. www.stellarooflight.co.uk

November/December 2021

STAY SAFE

with GRP rooflights from Filon Safety is at the front and centre of our product policy: Our technical expertise has contributed directly to UK rooflight non-fragility classification over decades, with Filon personnel playing key safety roles in influential trade associations including NARM (National Association of Rooflight Manufacturers) and ACR (Advisory Committee for Roofsafety). Our unique, patented Fixsafe system is the only solution that allows profiled rooflights to be safely installed from within the building envelope, without the need to access fragile roof areas. We offer a range of fire grades to provide compliance with Building Regulations. Our Supasafe triple reinforced rooflights provide high impact resistance, spanning and load-bearing capabilities. We’re the UK’s longest established manufacturer of profiled rooflights by continuous process, with a successful track record of excellence in design, product performance and customer support. As you’d expect, we’re also currently employing Covid-secure working practices throughout our operations. Filon: truly a ‘safe pair of hands’ for specifiers.

Telephone 01543 687300 Email: sales@filon.co.uk

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SPECIAL FEATURE

daylight diary DEC 2021

Looking ahead to 2022... Like many organisations, this is the time when NARM, the National Association of Rooflight Manufacturers, is involved in developing plans for the coming year, which involves reflection on recent events as well as anticipating future trends and factors which may affect our member companies and the industry in general. Ian Weakford, NARM’s Director of External Communications, said: “Following on from COP26, the sustainability agenda will continue to be a major driver for manufacturers, specifiers and installers over the coming years. Increased energy costs will also play a significant role in building specification decisions. The rooflight industry has for many years supported the use of natural daylighting rather than artificial light as a means of reducing energy consuption and emissions – and the current circumstances will likely focus even greater attention on this initiative.” The Covid-19 pandemic has rightly put health and wellbeing more into the spotlight: another factor that will influence building design and which the rooflight industry continues to address by raising awareness of the proven health benefits of natural daylight in the built environment. Ian Weakford continued: “The

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pandemic has also driven demand in the domestic RMI sector as many have required extra space for home working. However, there are signs of a slowdown in this respect, as families delay projects due to cost and instead plan for overseas holidays in 2022. As we’re all aware, shortages of materials & skilled labour have driven up costs – and there’s a ceiling on how much people are prepared to pay before projects become prohibitive. Warehousing looks set to have another strong year, but could be impacted by steel shortages. In this sector, the use of in-plane rooflights can have significant benefits in reducing energy costs and contributing to an improved carbon footprint, so these factors should support the demand for industrial rooflights.”

Ian Weakford, NARM’s Director of External Communications

NARM will be addressing these issues in 2022, in our role as the voice of the UK’s rooflight industry: informing legislators; supporting manufacturers and installers; and campaigning for the safety of building occupants and roof workers. For further information about NARM, please visit www.narm.org.uk FIND OUT MORE ABOUT NARM BECOME A NARM MEMBER NARM CPD MATERIALS

November/December 2021

Daylight Factor

Now you can run BRE Daylight and Sunlight tests directly in Revit and export the results to Excel

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BRE Compliance tests VSC, APSH, NSL, Sunlight to Amenity and Average Daylight Factor Rights of Light contours Complete excel exports Automated transient shadow images BREEAM/LEED/EFA/EN17037 SDA, ASE, UDI, View out, Glare DGP Potential Solar Glare Solar Radiation Useful to predict loss to PV Panels Facade Analysis

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DAYLIGHT PLANNING

Mega donor’s planned student ‘mega dorm’ pits density against daylight New housing is an urgent priority for cities across the US. It’s a goal often viewed as incompatible or threatened by daylight planning. Now an extreme design in California has Americans debating their priorities when it comes to density. Daylight planning in America burst into the national conversation last month, courtesy of a university’s long-time donor. Billionaire Charles Munger, 97, did not endow funds for daylight research. Rather, he offered US$200M for much needed student housing with one proviso: it be built to his exact design. Munger’s creation for the University of California Santa Barbara (UCSB) campus is an 11-story, 1.6M sf building where most of 4,500 students would reside in individual rooms without windows. Light would come from “artificial windows” which have been described as portals on a wall that Munger says will deliver “the exact spectrum of daylight.”

Critics are not convinced, with some labeling the compound “Dormzilla.” After 15 years on UCSB’s Design Committee, local architect Dennis McFadden sounded the alarm by quitting in protest saying that as an architect, parent, and human being, the design was unsupportable. In his resignation letter2 McFadden wrote, “An ample body of documented evidence shows that interior environments with access to natural light, air, and views to nature improve both the physical and mental wellbeing of occupants. The Munger Hall design ignores this evidence and seems to take the position that it doesn’t matter.”

“the building is a social and psychological experiment with an unknown impact on the lives and personal development of the undergraduates this University serves.” Dennis McFadden

In a television interview with CNN1 Munger, a real estate attorney with an interest in architecture, said, “It’s better than a real window,” citing students’ ability to control lighting according to mood whether they are looking for something “cheerier” on a dark day or perhaps something more “romantic.” He added, “I admit the sound of a windowless bedroom sounds awful, but A, it isn’t windowless and B, if it were, it would still be quite endurable.”

The UCSB campus occupies a spectacular coastal location. With no windows for most students, the proposed Munger Hall development at this location, has been criticised for ‘detachment from physical setting’.

1. https://www.cnn.com/videos/business/2021/11/02/munger-hall-ucsb-dorm-controversy-gr-orig.cnn 2. https://imgur.com/a/frdrEIl

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November/December 2021

DAYLIGHT PLANNING

Most of 4,500 students occupying the proposed 11-story, 1.6M sqf building, would reside in individual rooms without windows. Light would come from “artificial windows” which have been described as portals on a wall.

He concluded, “the building is a social and psychological experiment with an unknown impact on the lives and personal development of the undergraduates this University serves.” The local AIA chapter echoed his position in a letter to the UCSB chancellor. This high-profile density vs daylight debate comes just as the benefits of daylight are becoming part of US mainstream news. In March, Scientific American3, a 175-year-old publication known for popularizing technical topics, published the opinion piece “What Florence Nightingale Can Teach Us about Architecture and Health.”

Its noted Harvard author credited the 19th century nurse for being ahead of her time, saying it was time to practice her advice. He called daylight “a critical determinant of human health and wellness,” citing multiple studies linking access to daylight with improved alertness, productivity, better sleep, increased resistance to disease and lower heart rates and blood pressure. He concluded that while designing for daylight may not be a priority for all building developers, given daylight’s many benefits, it may become a deciding factor in leasing decisions. US tech companies are making the same bet. A new wave of innovative smart glass products has been

3. https://www.scientificamerican.com/article/what-florence-nightingale-can-teach-us-about-architecture-and-health/

November/December 2021

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DAYLIGHT PLANNING designed to maximize daylight and minimize glare by automatically adjusting tints to a variety of solar conditions. One manufacturer sponsored university research4 to quantify its product’s efficacy and health impacts. The results were dramatic. Controlled for individual and environmental factors, the study observed 30 office workers over the course of a week in each of two settings: identical suites with the only difference being one had conventional window blinds and the other electromatic tinted glass. Supervised by the University of Illinois Urbana-Champaign and the SUNY Upstate Medical University, the 30 “knowledge workers” wore research grade sleep trackers and were subject to daily surveys and extensive biweekly cognitive assessments. After one day in the electromatic glass setting, participants’ sleep and cognitive responses showed measurable improvements which increased significantly over the week. At the study’s conclusion participants averaged 37 minutes more sleep a night and scored 42% higher on cognitive tests during their week in the smart glass suite. But back at the University of California, the talk is not about cognitive scores but design efficiency. A deadline looms for the UCSB to fulfill its agreement with surrounding communities to provide housing for 5,000 more UCSB students by fall of 2025. A local group, ironically called SUN (Sustainable University Now) is threatening UCSB with litigation if it doesn’t initiate progress on that

When working in an office with daylight and views optimized by using electrochromatic windows, participants experienced

48% less eyestrain and were 77% less likely to report feeling depressed 37 minutes more sleep per night 42% higher cognitive function scores Key stats from a report on the study: The Impact of Optimized Daylight and Views on the Sleep Duration and Cognitive Performance of Office Workers. Read it here.

agreement. Conveniently, Munger Hall would increase campus housing by 50%. That may be why after months of controversy the University is standing firm behind the project. However, in a statement UCSB concedes, “The use of virtual windows is unique and indeed a bit unorthodox. The team is currently working with University of California experts in the field to ensure these virtual windows will perform as intended.” As global researchers continue to research the intensity, spectrum, timing, and duration of artificial light needed to replicate daylight, if Munger Hall is built, its residents will be students who are also part of an historic case study in density and daylight.

Megan Kruse is a communications consultant who works on urban livability and sustainability issues and resides in downtown Seattle.

4. Boubekri, Mohamed, Jaewook Lee, Piers MacNaughton, May Woo, Lauren Schuyler, Brandon Tinianov, and Usha Satish. 2020. “The Impact of Optimized Daylight and Views on the Sleep Duration and Cognitive Performance of Office Workers” International Journal of Environmental Research and Public Health 17, no. 9: 3219. https://doi.org/10.3390/ijerph17093219 https://www.mdpi.com/16604601/17/9/3219/htm

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November/December 2021

URBAN REGENERATION

Delivering daylight to a major town centre regeneration project Funded by Barnsley Council, The Glass Works includes 100,000 sq ft of new retail space, over 25,000 sq ft of food and drink units and over 90,000 sq ft of leisure facilities including a Cineworld cinema and Superbowl UK. Lareine Engineering was called on by main contractor Henry Boot Construction, to install a 1550m2 double glazed canopy to the main thoroughfares – as well as smoke curtains, forming part of the designer’s fire safety strategy.

Re-vitalising Barnsley’s historic town centre The existing Metropolitan Centre was built on the Glass Works site in 1972. Incorporating Barnsley’s historic market, the building required a comprehensive refurbishment, having previously been subject to several layout changes, resulting in the space becoming cramped and outdated. The completed project has created a contemporary, multi-use environment that’s bright, spacious and accessible – and which is expected to stimulate Barnsley’s economic growth over the coming years.

Project scope The first phase of the redevelopment

November/December 2021

saw Barnsley Markets move to a contemporary new home in 2018, followed by the new state-of-the-art Library @ the Lightbox and Market Kitchen, both of which opened their doors to the public in 2019.

“ From the initial design tender, to final completion on-site, the Lareine Engineering teams worked to a high standard and maintained excellent communications. We are delighted with their contribution to this important project.” Mathew Clarke, Contracts Manager, Henry Boot Construction Limited

Having submitted a successful tender for roof glazing and smoke control in early 2019, Lareine Engineering started work on-site as part of phase two of the project in August 2020 – which consisted of the primary retail and leisure elements of the development. The Company designed and installed a Solus Monopitch rooflight in an ‘L’ configuration to cover the main shopping mall areas. Leg one measures 99.2m x 7.5m; and leg two, 82.5m x 10.2m, giving a total area of approximately 1550m2. This

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URBAN REGENERATION

provides high levels of natural daylight, creating a safe, healthy and attractive environment for shoppers and visitors to the other amenities.

covered walkway in the event of a fire.

The rooflight was fixed to a steel support structure (by others) and double glazed to class 1 non-fragility for maintenance purposes and the aluminium glazing bars were powder coated to a special colour: YW255F Golden Beach.

With the bulk of Lareine Engineering’s work on this project carried out during different phases of the Covid-19 pandemic, the site operated regular testing for all site personnel and required enhanced PPE. Mobile tower cranes were required at several locations for the glazing installation.

In addition to roof glazing, Lareine Engineering’s ventilation division provided, installed & commissioned two active smoke curtains and associated controls.

The Glass Works opened on schedule, in the summer of 2021 and now welcomes thousands of shoppers and visitors each week.

These were fitted to the underside of plasterboard bulkheads inside the walkway, to compartmentalise the

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Successful completion under challenging conditions

www.lareineengineering.com

November/December 2021

TRADE ASSOCIATIONS

NARM: Community works better than individuals Tom Ogilvie, Chairman of NARM, the National Association of Rooflight Manufacturers, considers its role in the wider construction industry. “When I first became active with NARM in the late 1990s, it was heavily focused on improving roof safety, addressing the need to reduce or eliminate falls through fragile roof constructions including rooflights. Since then, ongoing collaboration between NARM member companies, the HSE (Health & Safety Executive) and ACR (Advisory Committee for Roofsafety*) have delivered excellent results in this respect. Recorded fatalities from falls through rooflights have all but been eliminated and to my knowledge there have been none through rooflights manufactured since 2005. This statistic must be largely attributable to that collective effort to establish the non-fragility classifications that are in place today. This illustrates my view as to why an organisation like NARM should exist. Disproving the viewpoint that trade associations are often simply selfserving ‘clubs’, my experience as Chairman of NARM over around ten years on and off, has cemented my belief that a well administered community is more effective than individuals in achieving beneficial change. Getting daylight into buildings is a science as well as an art – and science depends on openness and transparency, principles long-held by NARM and NARM members and which, since Grenfell, have been captured

November/December 2021

rather elegantly by the Construction Products Association in their new Code for Construction Product Information (CCPI). The NARM community comprises businesses which in many cases are competing against each other but which all recognise the need for an impartial organisation that represents the rooflight industry as a whole and establishes common standards and a common language – so products and businesses can be trusted and judged on a level playing field.

“In global terms, the UK’s rooflight industry is seen as something of a ‘thought leader’ and innovator. I’m proud that NARM’s contribution has played a part in this”.

Today, safety remains high on our agenda at NARM, with a current campaign to support the use of laminated inner panes on glass rooflights, for the protection of building occupants. In parallel with our work on safety, research commissioned and verified by NARM has resulted in a greater understanding among legislators, construction professionals and the public, of the role that rooflights play in reducing carbon emissions from artificial lighting. It was NARM-commissioned research that originally determined the powerful effect rooflights can have in reducing a building’s energy consumption and which was built-in to the Simplified Building Energy Model (SBEM) software which helps designers achieve energy efficiency and Part L compliance. We are currently updating this research

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TRADE ASSOCIATIONS

The NARM website carries a wealth of objective information for rooflight specifiers and installers, including detailed technical documents, which can be downloaded free of charge: www.narm.org.uk

to reflect the more widespread use of LED lighting technology. NARM also continues to play a role in highlighting the significant health and wellbeing benefits of daylight in buildings, to inform architects and specifiers as to why daylight delivers much more than simply a ‘feelgood factor’. Even the most energy-efficient artificial lighting is a poor substitute in this respect, so NARM continually reminds developers to include high levels of daylight in their designs and makes sure they have plenty of choice as to how to do it. In global terms, the UK’s rooflight industry is seen as something of a ‘thought leader’ and innovator and I’m proud that NARM’s contribution to our industry has played a part in this. We remain active members of Eurolux, the European rooflighting trade association so our influence extends beyond UK shores.

Evolving digital information will be a key area for focus so I expect NARM to be involved with the future provision of raw data for building modelling. Another area for innovation, will be in developing easier to use standards for measuring and verifying daylight and daylight quality. A means of measuring ‘whole product’ daylighting performance for rooflights (the same way that we now measure thermal performance) should be on the agenda. In the meantime, I will be handing over the reins of NARM to a new elected chairperson in March 2022 as I will be taking a sabbatical to pursue my passion for sailing, with a round-theworld voyage. I’ll take this opportunity to wish my successor a productive and rewarding tenure in the role.” Tom Ogilvie, NARM Chairman

For further information, visit www.narm.org.uk

So where is the UK’s rooflight industry heading over the coming decades?

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November/December 2021

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... Gardens by the Bay, Singapore The Gardens by the Bay is a nature park spanning 101 hectares (250 acres) in the Central Region of Singapore, adjacent to the Marina Reservoir. The conservatory complex at Gardens by the Bay, comprises two cooled conservatories – the Flower Dome and the Cloud Forest, situated along the edge of Marina Reservoir. Designed by WilkinsonEyre and Grant Associates, the conservatories are intended to be an energy-efficient showcase of sustainable building technologies and to provide an all-weather edutainment space within the Gardens. Both are very large (around 1 hectare (2.5 acres)) and the Flower Dome is the world’s largest columnless glasshouse.

November/December 2021

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DAYLIGHTING ICONS

Roman Babakin / Shutterstock. com

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November/December 2021

@Daylighting_Mag

Twitterings Follow us for regular updates between issues... in the meantime, more highlights...

November/December 2021

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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

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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IN THIS ISSUE:

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DAYLIGHTING AT HOME DAYLIGHTING IN FARMING DAYLIGHT & NEIGHBOURLY MATTERS AND MORE

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RETAIL SECTOR • DAYLIGHTING IN EDUCATION • LIGHT TRANSMISSION: FACTORS TO CONSIDER • ROOF SAFETY • TRANSLUCENT CLADDING AND MORE

EDITOR Paul Bennett paul@daylightingmag.co.uk Mobile: 07900 895110 WEBSITE www.daylightingmag.co.uK

Issue 13 November/December 2018

Issue 20 January/February 2020

THE INNOVATION ISSUE

DELIVERING DAYLIGHT TO DUNDEE’S NEW V&A

IN THIS ISSUE:

PLUS: • ROOFLIGHTS & SECURITY • TRANSLUCENT CLADDING • ROOF SAFETY • NEWS • PROJECTS AND MORE

DAYLIGHT MODELLING REFURBISHMENT SMART GLAZING PLUS • NEWS • PROJECTS • AND MORE

Issue 24 September/October 2020

DAYLIGHT PLANNING

Issue 26 January/February 2021

ENERGY EFFICIENCY

Is the new European Standard measuring daylight in buildings is too complicated?

HOW ROOFLIGHTS CONTRIBUTE TO SUSTAINABLE BUILDING DESIGN

PLUS:

ROOFLGHT REFURBISHMENT SOLAR SHADING GLASS RECYCLING NEWS LATEST PROJECTS AND MORE

PLUS:

DAYLIGHT & SUNLIGHT PLANNING INDUSTRIAL BUILDINGS SCHOOLS LATEST PROJECTS AND MORE

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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 • Video & drone services • 3D imaging • PR • Consultancy Telephone 01295 750519 Email: paul@bennettb2b.co.uk www.bennettb2b.co.uk