Oct9

Roof-Pro Top of the Class at Tonyrefail School

Posted by Ashlea Williamson

Roof-Pro’s PP-3 riser penetration units have been used to provide watertight pipe and cable entry points into the building at Tonyrefail School near Cardiff, South Wales.

As part of a project worth £44 million, the school was delivered under the auspices of the Welsh government’s 21st century schools programme. It’s one of a number of ‘super school’ education projects to be delivered in Wales as part of an initiative to improve education in local areas, and all have to be delivered within a tight timescale to meet the target.

After discovering Roof-Pro, an Alumasc company, online and finding many positive reviews of similar work, Boyes Rees Architects chose to specify Roof-Pro roof service entry units as they are capable of dealing with larger circular duct sizes of 600mm and above, whilst still remaining watertight.

The PP-3 puts the waterproofing’s durability first in its design – for quick installation into the waterproofing membrane. Its design also encompasses easy access features, a powder coated aluminium finish for durability and cover flashing deep enough to permit vertical insulation.

Roof-Pro were also able to accommodate the client’s tight timescale and conducted the site visit, issued drawings for approval and delivered all products to site on time.

Roof-Pro’s Regional Technical Manager Jimi Ogunsola, who worked with Boyes Rees Architects to find the right product for the project, explained: “The Roof-Pro PP-3 access riser was perfect for this project, providing a watertight entry point to run larger roof-mounted cables, ducts and pipes into your building safely—a consistent, quality solution for necessary penetrative details on flat roofs.

“The design allows M&E trades easy access to run cables and pipes. Once installed, the building is immediately dry, and following trades can fully access the riser by temporarily removing the lid.”

Mark Harries of Whitehead Building Services, the contractor who worked on the project said: “Alumasc were a pleasure to work with for this project; communication was extremely important given the fast approaching deadline but all went smoothly.

“Even when we found ductwork and capping that had been installed already were not sufficiently watertight, airtight nor adequately insulated, we were able to communicate effectively and put plans in place to ensure that the extra work would not disrupt the timescale.”  

Mark went on to say: “We found Roof-Pro products very durable, and easy to install. They provide great value for money by offering a second-to-none watertight seal and excellent quality, which just can’t be substituted.”

Find and download more information about Roof-Pro’s PP-3 risers here: alumascroofing.co.uk/media/279595/rp-accessrisers-upstands-pp3-roofnek.pdf

Download a PDF copy here

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bba-logoNEW
New BBA certificates for the Hydrotech Hot-Melt Waterproofing system are now available on the Alumasc Roofing Systems website.

The main updates to the certificates are:

1. The roofing certificate confirms suitability for use on ‘completely flat roofs’ and at ‘zero-pitch’.

2. Hydrogard 50 is now included as an extra heavy duty protection sheet in both certificates.

3. Hydrogard 40 AR (anti-root) is included as an FLL rated root barrier in the roofing certificate.

To download the new Hydrotech Waterproofing BBA Certificate, click here. To download the new Hydrotech Damp Proofing BBA Certificate, click here.

Please note, you may need to refresh your web browser if you have downloaded a previous PDF of either BBA Certificate to access the new version(s).

Other BBA & ETA Certificates can be downloaded by clicking here.

Hydrotech has been BBA certified continuously since 1990, longer than any other hot-melt system, and also carries an ETA (European Technical Approval) Certificate (No 05/152).

The Hydrotech hot melt system provides seamless waterproofing ideal for high performance green roofs, podiums and highly detailed waterproofing or water feature schemes with zero product failures in over 50 years, the Hydrotech hot-melt system offers lifetime performance

If you would like any further information on Hydrotech system please click here, call us on 03335 771 700 or email roofing@alumasc-exteriors.co.uk.

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Ebury SquareAn exclusive new housing development in the heart of London is the latest showcase for a range of waterproofing and green roof solutions from Alumasc.

Built by The Berkeley Group in the centre of Belgravia, the elite Ebury Square development offers a selection of one to four bedroom private residences.

Alumasc’s Registered Contractor Tilbury Contracts Ltd, installed a total of 3,800m2 of Hydrotech monolithic membrane to the lightwell areas, podium roofs, individual balconies, wraparound terraces and penthouse balconies, which were all completed as inverted roof designs.  A Hydrotech anti-root waterproofing system, inverted roof insulation, drainage boards, extensive green roof substrates and sedum mats were also installed to the main roof areas. The courtyard was waterproofed and insulated and a drainage board installed providing support for the construction of deep planters, raised areas and stairways creating attractive landscaped gardens and protection for the car park below.

The project presented a major challenge in that it is situated directly over a London Underground route. The concrete slab at ground level was mounted on large anti-vibration springs, and isolated from the surrounding construction to prevent damage to the building from the vibration of trains below.  The resulting 50mm joint between the isolated and non-isolated structures, required appropriate waterproofing to prevent water entry into the basement below.

Working together, Alumasc and Tilbury Contracts strapped the joint using FlexFlash UN, an uncured neoprene rubber, with the full Hydrotech 6125 system abutting the joint edge on both sides to ensure it was watertight whilst also keeping the two slabs isolated. A brick upstand was built directly off the Hydrotech, and the full system was dressed from the previously waterproofed horizontal slab and up the face of the brickwork, and terminated with a cover flashing. This ensured successful waterproofing whilst not compromising the integrity of the specified system.

Richard Sawyer, construction and surveying manager with Tilbury Contracts, said:

“The roofing installation for the project was completed on time and to budget and has helped provide a sophisticated and desirable place for people to live in the heart of Belgravia.  The use of Hydrotech and the Blackdown green roofing system from Alumasc complemented the build perfectly – Hydrotech is a very secure system which is easy to work with and suited the awkward detailing better than any alternative product would have. The green roof is not only visually pleasing but provides strong environmental credentials whilst offering additional benefits such as noise insulation.”

Alumasc’s Hydrotech is a hot melt system which provides seamless waterproofing ideal for high performance green roofs, podiums and highly detailed waterproofing or water feature schemes. It is manufactured using a minimum of 10% post-consumer recycled material, is BBA accredited and has European Technical Approval.

Blackdown Green Roofs from Alumasc are constructed from a range of components that replicate the natural growing environment for plants, without requiring the same depth and weight of construction.

If you would like any further information on Alumasc’s Roofing Systems, please click here, call us on 03335 771 500 or email roofing@alumasc-exteriors.co.uk.

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University of Greenwich Blackdown RoofA Blackdown green roof from Alumasc provides one of the main features at the new School of Architecture and Construction at The University of Greenwich.

Officially opened in December 2014, the £78m new-build development is based in Stockwell Street within Maritime Greenwich on the UNESCO World Heritage Site. The project also included a new library, and features a series of terraced roofs, comprising 14 interlinked teaching gardens, forming the largest multifunctional roof space in London.

To facilitate this pioneering green roof design, a total of  3,407m2 of green roofing System from Alumasc was specified by architects, Heneghan Peng, and Landscape Architects Allen Scott, and installed by Blackdown.

University of Greenwich Blackdown RoofThe new building had to be ‘demonstrably sustainable’ in the sense that both it, and its facilities, minimise their environmental impact and use of resources. The Blackdown green roof system creates a living laboratory where the sustainability of new ideas in landscape and architecture can be tested, and innovations developed and applied.

Glenn O’Brien, Architect at Heneghan Peng, commented:
“Our design proposals had to reflect the location’s status as a UNESCO World Heritage site while remaining sensitive to the neighbouring buildings, particularly the residences to the rear of the site. Incorporating the interlinked landscaped roofs allowed us a creative approach in dealing with these challenges.

“The green roof system underpins all of the landscaping on the roofs. We see it as the base infrastructure that allows for either soft or hard landscaping permutations. This proved very useful as the design progressed with different planting options, and we were secure in the University of Greenwich knowledge that the green roof system would be able to accommodate them. The zero-fall system also allowed us to achieve very large spans and roof areas with minimum difficulty.

“There is naturally a great deal of excitement about the future of research at the University of Greenwich and these roofs are already helping students and staff to extend their understanding of environmental infrastructure and of landscaped and green spaces across increasingly urbanised areas.”

University of Greenwich Blackdown RoofThe 14 interlinked terraces have already been received a BREEAM Innovation award due to their educational and research aims. Blackdown green roofs from Alumasc are constructed from a range of components that replicate the natural growing environment for plants, without requiring the same depth and weight of construction.

Green roofs absorb CO2, improve a building’s thermal performance, increase rainwater retention thereby reducing storm water run-off, and reduce the life-cycle costs of a roof by protecting it from climatic changes, UV light and mechanical damage.

For further details of Alumasc’s full range of waterproofing systems call 03335 771 500.

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Mar5

Derbigum Roofing “The Jewel in the Crown”

Posted by david.luukas

 

Derbigum Roofing Alumasc Roofing Systems along with Mitie Tilley Roofing have recently completed the installation of a 1500 m2 Derbigum high performance waterproofing system at Crown Bevcan, Carlisle.  Crown, UK beverage can manufacturers and one of the largest packaging companies in the world, were investing £2 million into the upgrade of their production line at Botchery.

As the 3rd highest producer of beverage cans globally and with net sales in 2014 of $9.1 billion, it was essential that Crown had peace of mind that any refurbishment works carried out at their Botchery plant would result in the waterproofing integrity of their works being guaranteed long term. To this end, Alumasc Roofing were approached to provide a waterproofing system that could be installed with this key aim in mind.

Richard Emerson, Alumasc Roofing Area Manager and the Alumasc Technical Team worked very closely with the Client and Mitie Tilley Roofing to ensure the waterproofing solution specified met the demanding requirements of this project and site conditions.

Challenges:

The most challenging aspect of the project was to keep the site live with no interruption to the production process. This was overcome with thorough planning and organisation. The Client, Mitie Tilley Roofing and Alumasc worked closely to facilitate site deliveries at timed intervals and coordinate site inspections to strict time schedules.

Design Considerations:

Communication was key with this scheme and attention to detail was paramount. The existing building required a robust and versatile waterproofing system to upgrade the manufacturing office, yet the aesthetics of the original building had to be taken into account.

Allied to these requirements, the waterproofing specified had to have superior performance characteristics in relation to the prevention of external fire spread and penetration.

The Derbigum Solution

Taking all these factors into account, Derbigum was the natural choice not only due to its ‘unrestricted’ classification in relation to fire, but also the Alumasc 30 Year Insurance Backed Warranty offered for this project.  The Derbigum system provided superior performance and waterproofing longevity for the future of their works.

Derbigum is a BBA approved system, with a life expectancy in excess of 30 years.  It is suitable for flame-free and cold application to warm roofs with metal, concrete or plywood decks and inverted roofs with concrete decks.

If you would like any further information on Derbigum waterproofing membranes please click here, call us on 03335 771 700 or email roofing@alumasc-exteriors.co.uk.

 

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A number of Alumasc Exterior Building Products Ltd’s office-based team at St Helens have raised over £500 for ‘Movember’.During November each year, Movember encourages the growth of moustaches on thousands of men’s faces in the UK and around the world, raising vital funds and awareness for men’s health, specifically prostate cancer and testicular cancer.

From the 1st of November Alumasc’s clean shaven team faced a month of growing and grooming their moustaches. Known as ‘Mo Bros’, participants become walking, talking advertisements for the entire month raising awareness by prompting private and public conversation around the often ignored issue of men’s health.

Funds raised in the UK are directed to programmes run directly by Movember and their men’s health partners, Prostate Cancer UK and the Institute of Cancer Research.

Movember works with partners to ensure that Movember funds are supporting a broad range of innovative, world-class programmes in line with strategic goals in the areas of awareness and education, survivorship and research.

John Carter, Alumasc’s Façade Systems MD congratulated the fundraising efforts of the team. John joined in the fun with colleagues, sporting a fetching ‘home-made’ moustache, along with Product Director Simon Poe at the presentation of ‘Alumasc’s best Movember moustache’ – presented to Despatch Manager, Andy Langley.

Well done to all involved in this worthy cause. More information on Movember can be found at: http://uk.movember.com

 

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EcoCampus, Hamilton International Park - Alumasc Hydrotech & Zinco Green RoofAlumasc’s ZinCo green roof system and Hydrotech structural waterproofing were key elements in the EcoCampus at Hamilton International Park, a uniquely sustainable business community located south east of Glasgow.

Built by Balfour Beatty, the EcoCampus is designed to provide a sustainable foundation delivering high performance buildings with EPC & BREEAM ‘Carbon Neutral’ & ‘Excellent’ Status. The EcoCampus accommodates businesses within three Grade A carbon neutral buildings totalling 223,800 square feet.

The ZinCo intensive green roof system features planter zones, small plants, shrubs and bushes and was an important part of the development’s environmental focus. Briggs Amasco installed the green roof over approximately 7,500m2 of Alumasc’s Hydrotech MM6125 structural waterproofing. The roof also features Alumasc’s Harmer AV Roof Outlets.

Client, HFD Group, was influential in the specification of Hydrotech as they had used ZinCo green roofs on other parts of the Park and were keen to achieve a high performance waterproofing solution for the podium car park.

The green roof provides recreational space for people and a rich habitat for wildlife, as well as facilitating reduced water run-off and lower noise levels. The greater substrate depth of the intensive roof also provides particularly good insulation properties.

ZinCo Intensive green roofs replicate ground-based landscaping for recreational use and are suitable for new build schemes with roof and podium decks. They offer the benefits of a small urban park and support a wide range of plants, trees and shrubs, having a typical substrate depth that ranges from 150-1500mm.

Hydrotech is the first choice for zero falls waterproofing on inverted green roofs and hard landscaped podium structures in new build applications. It is manufactured using 10% post-consumer recycled material, is BBA accredited and has European Technical Approval ETA-05/0152. Hydrotech is designed to last for lifetime of the structure and is available with a choice of warranties.

For further details on Hydrotech MM6125 structural waterproofing click here.

For further details about Alumasc’s range of Green Roof systems click here.

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Wymondham CollegeAlumasc’s Euroroof Mastergold flat roof membrane has provided the optimum waterproofing solution for the urgent roof refurbishment on the sports complex at Wymondham College in Norfolk.

Alumasc – called in by roofing contractors, TC Garrett Ltd – recommended stripping back the roof to the concrete deck and replacing it with a new warm roof incorporating a cut to falls tapered system which would solve the problems of the standing water.

Euroroof Mastergold was chosen due to its suitability for warm roof refurbishment applications. The 20-year warranty was an important factor in the specification, and both roofing contractor and client were impressed with the aesthetics of the charcoal mineral finish.

TC Garrett installed 1200 square metres of Euroroof Mastergold over a thermo-adhesive underlay. The installation involved intricate detailing around new rooflights.

Euroroof Mastergold transforms working with traditional bituminous membranes, speeding up installation time without compromising long-term performance. Euroroof is a fully warranted system that offers high tensile strength and pliability and excellent resistance to puncture and UV degradation. The Mastergold membrane is available with a black mineral finish and can be used with a range of insulations to suit specification and U-value parameters.

For further details on Alumasc’s Euroroof Mastergold and the full range of waterproofing systems click here.

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A complete package of Waterproofing solutions from Alumasc has been used on the newly extended Ashfield House, the HQ of Ashfield In2Focus, part of the Sales, Marketing and Medical Division of United Drug plc.

The newly extended training and management facility based in Leicestershire, boasts a striking and sustainable design from architects shedkm of Liverpool, which demanded the innovative use of multiple roofing systems including Hydrotech Structural Waterproofing, Derbigum Bituminous Membranes and a ZinCo Extensive Green Roof.

The design comprises three separate roof areas – a car stacking system, a first floor extension to the existing building and a new build rooftop pavilion – each demanding specific roofing solutions. Its success was made possible due to the flexibility of Alumasc systems and the combined skills of the design team, the Alumasc approved installer Monarch Roofing Co and main contractor Sisk.

The Hydrotech hot-melt system was installed on the inverted roof of the first floor extension and provided a continuous monolithic fusion to an existing Hydrotech waterproofing system. Hydrotech is manufactured using 10% post-consumer recycled material and has European Technical Approval ETA-05/0152.

The rooftop pavilion demanded an unusual solution of a 600m2 hybrid zero falls roof, combining both Hydrotech and Derbigum membranes. The use of Hydrotech over the metal deck enabled the roof to be kept lightweight. Warm roof insulation was laid on top of the Hydrotech and finished with a Derbigum high performance cap sheet.

Finally, an extensive ZinCo green roof was installed over Hydrotech to the roof of the steel car stacking units to soften the impact of the units on the view from overlooking residential buildings. ZinCo Green Roofs from Alumasc are available in four broad application categories to suit all needs from extensive sedum roofs to fully landscaped parkland, backed up by alternative waterproofing systems to provide a complete roofing solution from a single source.

For more information, on Hydrotech, click here

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The Hydrotech MM6125 Structural Waterproofing system from Alumasc has been used in the construction of the Scottish Centre for Regenerative Medicine (SCRM) – a brand new 9000m2 research facility for the University of Edinburgh.

The £35 million SCRM building was designed by architects Sheppard Robson and built by Miller Construction. Its stunning design includes a number of innovative renewable technologies resulting in a world-leading facility that is both energy efficient and significantly reduces operational costs. The project won the Considerate Constructors Scheme Gold award 2011.

Approximately 1500m² of Hydrotech was installed on the protected roof area by Alumasc’s approved contractor, Grainger Building Services Ltd, using the proven hot melt liquid application method. Hydrotech is a seamless waterproofing membrane that proved ideal for the intricate detailed design elements of the unusual roof. The highly efficient system has also helped the SCRM in becoming the first BREEAM “Excellent” research facility in the UK, achieving a target U-value of 0.15W/m²k.

Throughout the design and installation stages, Alumasc worked closely with Grainger Building Services to successfully meet the varied demands of the project. There were numerous plant decks requiring roof penetrations but it was essential that there could be no risk of water ingress into the building. At this point, Hydrotech came into its own, offering a high performance bituminous rubber blend allowing fast and simple installation around the penetrations and various architectural features including two glass atriums.

Hydrotech unique formulation guarantees lifetime performance and is manufactured using 10% post-consumer recycled material.

Hydrotech is fully warranted, BBA accredited and has European Technical Approval ETA-05/0152.

For more information on Hydrotech, click here

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Hydrotech MM6125 Structural Waterproofing and a ZinCo Green Roof system from Alumasc have been successfully used on the new £44 million campus of Belfast Metropolitan College. The project recently won Environmental project of the Year at the Sustainable Ireland Awards 2011 and has achieved one of the top BREEAM ratings.

The impressive 20,000m2 facility, designed by Todd Architects, is set around an inner courtyard and roof garden. 4,000m2 of Hydrotech was installed on the concrete podium of the courtyard which is situated above a basement car park.

Landscape architects, Paul Hogarth, specified Hydrotech as part of the green roof package as it can be installed with zero falls, thereby keeping podium height as low as possible. Combined with Hydrogard protection layers and root barriers, Hydrotech offered the ideal waterproofing solution for use beneath Alumasc’s ZinCo Intensive Green Roof.

ZinCo Intensive Green Roof systems enable virtually any type of ‘garden’ landscape to be created and the deep substrate can support a range of plants, trees and shrubs. The College courtyard, where the ZinCo system was installed, offers the benefits of a small urban park, providing a welcome habitat for wildlife as well as additional recreational space for the students.

At Belfast College, Hydrotech impressed main contractor, Patton, who approved its use following a demonstration of its benefits at Alumasc’s headquarters. Roofing Contractors on the scheme were Willart Roofing, who received full training from Alumasc to ensure a successful installation.

For more details on Hydrotech, click here

For more information on ZinCo Green Roofs, click here

 

May7

Alumasc Chosen for Kidbrooke Regeneration

Posted by david.luukas

Alumasc’s Hydrotech waterproofing and ZinCo green roof systems have played a key role in creating high quality new homes and leisure spaces at Kidbrooke Village in London SE3.

The regeneration project by Berkeley, meets Code 3 for Sustainable Homes and provides for approximately 4,000 private and affordable homes, surrounded by open space, shops, community facilities and an improved transport system.

The specified systems met a strict list of criteria from Berkeley who required a BBA accredited structural waterproofing solution that could be laid to zero falls and would last the lifetime of the scheme. Hydrotech proved ideal for this project as its monolithic nature enabled its use in the phased construction and allowed quick installation.

The first apartments in Phase 1, City point, are now complete, incorporating Hydrotech and ZinCo systems on the podium areas, private balconies, terraces and main roof areas. The roofing specification included Hydrotech inverted waterproofing systems with Hydrogard 20 for the hard landscaped areas and Hydrogard 40 Anti-Root for the soft landscaped areas. The ZinCo intensive and semi-intensive green roofing areas contain growing substrate and appropriate planting.

In total, Tilbury Contracts will install over 12,000m2 of Alumasc waterproofing across a total of seven blocks. Tilbury, who were already prequalified to work with Berkeley, put together a highly experienced and trained team of installers who brought Phase 1 of the project to a successful conclusion.

For more information on Hydrotech, click here

For more information on ZinCo Green Roofs, click here

Mar28

Derbigum is key at Peacehaven

Posted by david.luukas

Alumasc’s Derbigum Rapido waterproofing system is a key component in the UK’s largest curved green roof – installed at the new Peacehaven Wastewater Treatment works in East Sussex.

The roof itself covers over 17,000m2 – the equivalent of 2.5 football pitches – and required over 16,000m2 of Derbigum Rapido.

The sustainable roofing solution roof helped to secure planning permission for the Peacehaven facility, following a decade of delays, by convincing planners of its ability to marry perfectly with the surrounding countryside.

The Derbigum Rapido waterproofing system was a vital element of the green roof and one of the main contributors to the success of the project. The roofing solution was developed by Alumasc and their approved contractor, Prater Ltd who installed over 16,000m2 of Derbigum Rapido over the HPS200 coated metal deck single ply structure.

Derbigum waterproofing systems combine durability with the speed and ease of installation of a single layer system. Options are available for completely flame-free, high speed spray installation (in excess of 800m2 per day) which is BBA approved and fully warranted.

For more information on Derbigum, click here

Hydrotech MM6125 Structural Waterproofing from Alumasc, has been used on the new Sainsbury Laboratory, overcoming numerous challenges presented by the roof’s unusual design.

The award-winning scheme, designed by architects Stanton Williams is an 11,000m2 plant science research centre set in the University of Cambridge Botanic Garden. The concrete roof deck features a range of complex details such as photovoltaic panels, roof lights, exposed roof edge details and sunken wells housing mechanical and electrical services.

Alumasc’s Approved Contractor Fenland Flat Roofing installed 6000m2 of Hydrotech MM6125 structural waterproofing over the concrete roof deck during a six-month period which took them through the winter of 2010/11. The Hydrotech system was chosen for its high performance bituminous rubber blend which allows fast and simple installation over complex roof details and around penetrations.

The building’s environmental features also tested the skill of the installers. Pebbles were used as ballast around the photovoltaic cells, whilst paving slabs have been used as walkways to provide access to the sunken wells which are designed to hide the M&E services below the roofline.

The project has won several major awards including 2011 World Learning Building of the Year WAF Award; the 2011 Concrete Society Award and was highly commended in the Major Project category of the British Construction Industry Awards. It has also been awarded a BREEAM “excellent” rating for its outstanding environmental performance.

Manufactured using 10% post-consumer recycled material, Hydrotech’s unique formulation guarantees lifetime performance.  Hydrotech is fully warranted, BBA Accredited and has European Technical Approval ETA-05/0152.

Click for more information on Alumasc’s Structural Waterproofing Systems

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 A Derbigum warm roof system from Alumasc has been used in the roof refurbishment of Doddington Community Hospital in Cambridgeshire – a project requiring complex liaison between the contractors who were working around the demands of one of Europe’s largest ever temporary roofs throughout the installation.

The hospital roof had come to the end of its lifecycle and urgently needed replacing.  Following the consideration of a number of options, the client,  NHS Cambridgeshire, decided the entire roof should be replaced.

The versatility of Alumasc’s Derbigum system was a major contributor to the work being finished on schedule, despite the scale of the project and the complicated logistics.

The main contractor, Morgan Sindall, was asked to remove the existing waterproofing and deck and install a new plywood deck. Alumasc approved contractor, Camflat Roofing, installed 1700m2 of the Derbigum warm roof system with a mineral surfaced Derbigum cap sheet, carrying a 20 year warranty. The system comprised a 4mm thick dual reinforced Derbigum membrane based on APP modified bitumen with a decorative mineral weathering surface, offering a combination of high performance protection plus speed and convenience of installation.

A huge HAKI temporary roof was used on the project to prevent any possibility of water ingress into the hospital while the roof was being replaced, enabling it to stay open to patients. Even though the temporary roof was one of the largest ever erected in Europe, it still only covered half of the space being re-roofed. All work in progress had to take place under the covered section which was moved on rails to the other end of the roof half way through the job. The work also included detailing around new windows, roof lights, and plant and courtyard areas.

Mick Smith of Camflat Roofing comments: “This job was complex in terms of the logistics and working under the temporary roof. Alumasc’s advice and support during the project was highly valuable and the speed and versatility of Derbigum was also a major factor in successfully completing the job.”

Derbigum warm roof systems combine the proven durability of the Derbigum range, with the speed and ease of installation of a single ply system. Options are available for completely flame-free, high speed spray installation (in excess of 1000m2 per day) which is BBA accredited and fully warranted.

For more information on Alumasc’s Derbigum high performance roofing membranes, click here 

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Alumasc provided a comprehensive package of high performance roofing products to the Downe Hospital in Downpatrick, Northern Ireland.

Designed by the URS / Scott Wilson Group, Downe Hospital is a £64million state-of-the-art healthcare facility, delivered by the South Eastern Health and Social Care Trust to provide a wide range of healing services to the local community.

Hydrotech MM6125 Structural Waterproofing and Derbigum Single Layer membrane were specified by the designers who had a good relationship with Alumasc’s Technical Team, following the successful use of their roofing products on a number of previous projects in Northern Ireland. The package provided a complete waterproofing solution supported by Alumasc’s unrivalled technical expertise and warranties.

13,000m2 of Hydrotech MM6125 was installed by approved contractor Grainger Building Services, across various areas of the roof requiring a structural waterproofing solution. Lightweight, tough and flexible, BBA Accredited Hydrotech is ideal for protected roofs, plaza decks, green roofs, water features and access roadways. The system offers a unique formulation combined with reinforcement to guarantee lifetime performance.

9000m2 of Derbigum Mineral in a light grey finish was installed on the flat roof areas. Derbigum is BBA Accredited and manufactured under ISO9000 & 14001 Quality and Environmental Management Standards. The system is available in a choice of finishes and colours including the fine mineral chippings specified for the hospital. Its many benefits include flexibility, excellent fire ratings, stronger reinforcement and suitability for all methods of application.

2000m of Alumasc’s Aluminium Skyline Copings have also provided an economical and easily installed finish to the parapets on all the flat roof areas.

For more information on Alumasc’s range of Structural Waterproofing systems, click here

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Jul6

Derbigum to the Rescue at Boss House

Posted by david.luukas

Alumasc’s Derbigum Waterproofing system has played a key role in vital refurbishment work carried out on a prestigious London residential scheme.

Boss House is an upmarket warehouse conversion situated in the Shad Thames District of London. The existing 14-year-old roof urgently needed a complete upgrade, requiring Alumasc to work closely with Lamberts Chartered Surveyors to provide an innovative solution which would avoid the displacement of residents for the duration of the works. Whilst conventional approaches such as temporary roofing would have been prohibitively expensive and highly inconvenient for residents, Alumasc rose to the challenge, providing a competitively priced solution enabling everyone to remain in the building throughout.

The proposal involved attaching a new plywood base to the existing standing seam roof using timber packers fixed into the metal structural purlins. Working with the installer Tower Asphalt Ltd, Alumasc carried out tests on the roof to ascertain the correct fixings and to confirm that it would be possible to carry out work with residents still inside the premises. Tower Asphalt installed 1600m2 of 4mm Derbigum Mineral Charcoal, and throughout the project Alumasc liaised closely with the building surveyor, to ensure a smooth operation resulting in work being completed ahead of schedule.

Designed for situations requiring high performance and time efficiency, Derbigum Waterproofing was the ideal solution for Boss House, applying the proven durability of Derbigum with speed and ease of installation. Options are available for completely flame-free, high speed spray installation (in excess of 1000sq.m per day) which is BBA approved and fully warranted. The system is suitable for use on warm roofs with metal, concrete or plywood decks, both for re-roofing or new build applications.

For more information on Derbigum, click here

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Alumasc has provided a stunning ZinCo green roof for Coworth Park Hotel Spa, the ‘ground breaking’ new eco-luxury spa opened by the Dorchester Collection.

The luxurious spa is situated in Ascot on the borders of Windsor Great Park, buried within the natural contours of the landscape. The building is camouflaged by the ZinCo green roof which is also being used to cultivate thyme, lavender, chamomile and other fragrant herbs for use in natural treatments at the Spa. The pioneering design by architects, Purcell Miller Tritton, has kept the building’s volume and footprint to a minimum whilst intimately relating the spa to its sensitive green belt setting.

Throughout the design and installation, Alumasc liaised closely with Purcell Miller Tritton to find the optimum solution for the unique semi circular design of the Spa’s pitched curved roof.  A total of 700m² of extensive and semi-intensive green roof systems were installed by M&J Flat Roofing over a Derbigum Warm Roof waterproofing system, also from Alumasc.

Click here for further details of Alumasc’s green roofs

Ckick here for further details of Alumasc’s Derbigum Waterproofing Systems

Alumasc have donated  their Firestone RubberGard® EPDM single ply roofing system to Balsall Heath Church Centre in Birmingham as part of a unique refurbishment project.

The Church’s new roof represents the UK’s very first use of  an innovative Photovoltaic System from Advanced Green Technologies (AGT) with Firestone RubberGard® EPDM.

Rubbergard® provides outstanding performance at extremes of both hot and cold temperatures, making it AGT’s system of choice for use with AGT Flexlight solar panels.

Installation of the roof was carried out by Close Building Services of Doncaster and Birmingham, a Firestone Approved Installer who worked closely alongside Jericho Construction for the duration of the project.

Reverend Catherine Grylls of Balsall Heath Church Centre comments, “We are delighted with all the help given to allow this project to go forward. The Centre hopes to be a beacon of environmental sustainability. We will earn useful income for supplying clean electricity which will help to fund our work with local elders and we are delighted that this project will also benefit local unemployed young people through our partnership with the Jericho Foundation. For us as Christians it is vital that we try to live well with creation, locally and globally, and so environmental sustainability and addressing inequality are key issues for us.”

For more information on Firestone RubberGard® EPDM from Alumasc, click here.

Download the brochure here.

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Green roofs have been increasingly heralded as solutions to many of the challenges that face the UK’s built environment in today’s climate. Recent urban regeneration has led to increased population densities in the UK’s major towns and cities and the associated reduction in soft landscaped areas has created design issues that require sustainable solutions.

Green roofs can counter many of these threats, however, a lack of credible independent reference literature that is specific to the design and installation of green roofs in the UK, has surely restricted the number of installations across the country.

Alumasc has been heavily involved, with a number of fellow contributors, in the development of the GRO Green Roof Code of Best Practise for the UK 2011.

The Green Roof Organisation (GRO) as a body is facilitated by the National Federation of Roofing Contractors (NFRC). The code is a clear concise guide that aims to:

1. Provide specifiers and installers with the requisite understanding of the key issues that affect the design, installation and maintenance of high quality, flourishing green roofs for the long-term;

2. Highlight the implications of different green roof specifications;

3. Standardise and clarify the terminology used to describe green roof issues and components through the publication of definitions for key terms;

4. Enable specifiers to comparatively assess the different manufacturers’ systems through the provision of guidance as to the function and relevant performance characteristics of each component within the build-up;

5. Guarantee a minimum quality standard for systems that comply with the requirements of the Code;

6. Promote the benefits of green roofs and highlight how different green roof build-ups can be tailored to prioritise specific objectives;

7. Highlight important health and safety issues that must be observed at the early design stages of a project;

8. Encourage green roof installers to undergo specialist, structured training courses to gain the expertise that will underpin greater numbers of quality green roof installations;

9. Provide for the long-term success of green roof installations by encouraging entry into maintenance contracts with the installing contractor;

10. Provide a foundation upon which further iterative developments can, in time, be based; leading to green roof guidelines that are as comprehensive as any available, including the publication of standard procedures for the characterisation of components and of required performance levels, so as to underpin the continuous improvement of green roofs in the UK.


For more information on Alumasc’s ZinCo green roof systems,
click here

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johnferneleyPRFirestone UltraPly TPO™ from Alumasc has been used on a new 800-place secondary school building in Melton Mowbray which has achieved a BREEAM rating of ‘Very Good’ and an EPC ‘B’ rating.

The John Ferneley College is undergoing a two-phase re-development by the Willmott Dixon Group, the first phase of which boasts an impressive new college building and landscape designed by architects and sustainability consultancy White Design Associates Ltd. The project showcases a number of sustainable features and construction techniques which have contributed to its impressive green credentials.

The Firestone UltraPly TPO waterproofing system was specified for the college roof due to its ease of installation, heat reflective and energy efficient properties. Its light coloured surface reflects sunlight before it can be absorbed and converted into heat energy, thus improving the energy efficiency of the building. The membrane can also be easily recycled, making it the perfect solution for environmentally sensitive applications.

Approved Contractor BriggsAmasco, installed 2500m2 of UltraPly TPO Fully Adhered System in Light Grey. The hot-air welded seaming process results in fast, economical installation, which can be carried out all year-round in a variety of weather conditions. The application of UltraPly TPO was part of an ‘enviro-ready’ roof design, enabling the addition of sustainable features such as green roofing and photovoltaics at a later date.

Firestone UltraPly TPO combines aesthetics and outstanding seam strength with strong resistance to ultraviolet radiation and weathering. It contains no plasticizers and no halogen flame retardants resulting in outstanding resistance to UV radiation and ozone. The membrane also exhibits strong resistance to algae and fungi growth and common rooftop chemicals.

For more information on Firestone UltraPly TPO from Alumasc, download the brochure here.

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westfield_prA ZinCo green roof from Alumasc has been chosen for Westfield London – Europe’s largest urban shopping centre.

The excellent track record of the ZinCo systems and Derbigum Rapido waterproofing from Alumasc, made them the natural choice for this prestigious project, meeting the need for a lightweight and commercially competitive waterproofing solution.

Spanning over 149,000m2, Westfield London is a £1.7 billion development featuring an impressive mix of retail, leisure and restaurant space in West London. Westfield worked with international architects Benoy and The Buchan Group, to design and deliver the innovative curved undulating glass roof above the shopping centre, which earned the project a position as finalist in the LABC National Building Excellence Awards.  The award organisers described the roof as “part of a sustainable design that has paved the way for 21st century retail design in the UK.”

Landscape Contract Designs (LCD) of North Yorkshire installed 15,600m2 of extensive and bio-diverse green roof onto the structural metal deck roof. The system features sedum plug plants which will flourish over time, offering notable ecological benefits, providing a natural habitat for plants and wildlife, whilst also helping to reduce air and noise pollution, cutting carbon emissions and assisting with rainwater retention and attenuation.

ZinCo green roofs vary from the extensive and biodiverse types used at Westfield – which require minimal irrigation and maintenance – to intensive roofs, which are suited for areas of public and recreational use and require more tending.

Derbigum Rapido waterproofing, also from Alumasc, was installed by leading building envelope contractor Prater Ltd of Surrey, for the warm roof build up.  This high performance single layer membrane gives exceptional long-term performance and durability, warranted for 25 years. Derbigum is BBA Approved and manufactured under the ISO 14001:2004 Environmental Management Standards. Furthermore, Derbigum is fire rated F.AA to BS476 Pt3 (EN1187 Pt4), the highest available rating, which allows unrestricted use under Building Regulations.

Throughout the project, Alumasc worked closely with the contractors to ensure that products were supplied to suit available crane time-slots, contributing to the successful completion of the project within deadline and budget.

For more information on ZinCo Green Roof systems, click here

For more information on Derbigum Single Layer Waterproofing, click here

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anderston5_pr_lowHydrotech MM6125 structural waterproofing from Alumasc has been chosen for Glasgow’s latest landmark building in a major regeneration project.

Designed by Aedas Architects of Glasgow, Anderston Phase 5 is a £56million mixed-use development from Taylor Wimpey. The impressive structure comprises 7 floors of office space spanning 98,000sq feet and a 20-storey residential apartment block, built on the former Anderston Bus Station site. Forming part of the fifth and largest construction phase of the Anderston regeneration project, the unique ‘L’ shaped building dominates the new Glasgow skyline and is one of the most prominent sights for users of the Kingston Bridge on Glasgow’s M8 – the busiest motorway bridge in Europe.

Alumasc approved installer BriggsAmasco were active in the specification of Hydrotech MM6125, which they recommended to the architects as a durable, more cost effective alternative to mastic asphalt, and which also offered the benefit of not requiring a screed.

Anderston Phase 5 is constructed over several different roof levels, parts of which are used to accommodate heavy roof-mounted M&E plant. BriggsAmasco installed a total of 2,500m² of Hydrotech MM6125 over the ballasted protected roof areas, resulting in a prime example of the design potential and aesthetics that a finished Hydrotech/Protected roof can achieve.

For more information on Hydrotech MM6125, click here

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Alumasc's Swistherm External Wall Insulation in use at Bletchley Leisure Centre - Winner of the BREEAM Bespoke Award.

Alumasc’s Swistherm External Wall Insulation in use at Bletchley Leisure Centre – Winner of the BREEAM Bespoke Award.

Sustainable building products from Alumasc have excelled at the prestigious 2010 BREEAM Awards which recognise the UK’s top examples of ecological design.

Alumasc products were specified on no less than 10 of the 16 short-listed projects – with four of the overall winners featuring Alumasc high performance Roofing and Facades systems.

The hotly contested awards, which were presented at this year’s Ecobuild, recognise and reward the highest scoring buildings certified under BREEAM each year. Following independent assessment and certification, the successful projects all achieved ‘Excellent’ BREEAM ratings, earning the most performance credits available in areas such as energy, materials, waste and ecology.

Alumasc’s Swistherm External Wall insulation featured heavily in the winning list, having been specified on the new Bletchley Leisure Centre in Milton Keynes, recipient of the BREEAM Bespoke Award; White River Place in St Austell, winner of the BREEAM Retail Award; and Salisbury Law Court, winner in the BREEAM Courts Category.

Swistherm is a BBA approved, thin coat insulated render system, which can be finished in a choice of silicone or mineral-based topcoats. Offering outstanding thermal efficiency, Swistherm is weatherproof, eliminates interstitial condensation and reduces energy consumption. Insulation slabs are available in a variety of materials including polystyrene, mineral wool or highly sustainable natural cork for environmentally sensitive applications.

Winner of the BREEAM Industrial Award – Defra’s Veterinary Laboratory Agency Store in Weybridge – featured Alumasc’s Derbigum single layer waterproofing system. BBA Approved and warranted for 25 years, Derbigum was chosen for its exceptional long-term performance and durability. It is manufactured under the ISO 14001:2204 and EMAS Environmental Management Standards and is fire rated F.AA to BS476 Pt3 (EN1187 Pf4), the highest available rating, which allows for unrestricted use under Building Regulations.

Chris Lister, Development Manager at Alumasc, commented: “We are delighted that Alumasc products have made significant contributions to so many of these short listed and award-winning BREEAM projects. As a company, we can offer a wide variety of A+ rated solutions, allowing designers and specifiers to achieve BREEAM ‘Excellent’ and ‘Outstanding’ building designs”.

For more information on how Alumasc can help you achieve BREEAM ratings, please click here or call 01744 648400.

May24

Alumasc sponsor GRO at Greenbuild Expo 2010

Posted by david.luukas

GRO LogoAlumasc are proud sponsors of the Green Roof Organisation (GRO) stand at this year’s Greenbuild Expo from 26-27 May 2010 at Manchester Central.

GRO was formed as an independent body to represent the industry trade associations and the key players in the green roof market, developing guidance for specification, design, manufacturing, installation and maintenance of green roofs.

Its 3 principal objectives are:

  1. To promote the green roof concept
  2. To provide suitable guidelines to manufacturers and installers
  3. To recognise and promote correctly trained roofing companies

Strand PRpicGreenbuild Expo is an exhibition and conference promoting sustainability in the construction industry and Alumasc will be present on the GRO stand for the duration of the show to provide help and advice on all aspects of green roof specification, installation and maintenance.

Visit us on stand number C8 at Greenbuild Expo

For more information on ZinCo green roofs from Alumasc, please click here.

For more information on the Green Roof Organisation, visit www.livingroofs.org

Following their recent success in The BREEAM Awards, Alumasc was celebrating yet again at the NFRC Awards in London on Friday 14th May.

This time, Alumasc’s ZinCo green roofs were the centre of attention, clinching the NFRC Green Roof Award for the exemplary installation at Rockliffe Park Hotel near Darlington in the North East.

rockliffe_nfrcRoofclad Systems of Durham installed 1600m² of Alumasc’s ZinCo green roof system on the new golf clubhouse at Rockliffe – located in the preserved countryside of the listed hotel building.  The project presented a challenging design brief to architects Browne Smith Baker of Newcastle, who worked closely with Alumasc’s Technical Team to create the ideal solution for the project. The location for the new clubhouse building was carefully identified to ensure it sat low down in the landscape, with the green roof blending seamlessly into the countryside, making the clubhouse almost invisible from the hotel.

A variety of wild grasses were chosen to harmonise with surrounding plant species and to complement the natural timber profile of the clubhouse facade. Requiring only a shallow growing medium, the green roof offered a much lighter option than turf, which in turn enabled the specification of more cost effective materials for use in the underlying roof structure, which, as a result, would not be required to support as much weight.

The green roof was applied over Alumasc’s Derbigum high performance waterproofing membrane, for exceptional long-term performance and durability.

regents_place2Finishing close behind Rockliffe was Alumasc’s installation at Regent’s Place in London. The bio-diverse green roof was installed by Tilbury Contracts of Rainham over Alumasc’s Hydrotech MM6125 waterproofing system. The impressive terraced roof, which comprises a number of compartments to form a stunning puzzle pattern, will provide essential habitats to support the survival of some of our rare and scarce plant species, together with a natural habitat for bees, spiders, beetles and birds.

Alumasc’s Managing Director Robert Littlewood comments: “Rockliffe Park is a shining example of how green roofs can be sensitively applied in areas of natural beauty. This award is testament to Alumasc’s Approved Contractor Roofclad and our own Technical Support Team who pulled out the stops to ensure the successful delivery of such a stunning roof.”

For more information on ZinCo Green Roofs from Alumasc, please click here.

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For Architects, Developers and Designers considering BREEAM ratings and green credits, the specification of a green roof can contribute to a successful assessment. Simon Poe of Alumasc explains:

The inclusion of a ZinCo green roof system on the roof and terraces at Regents Place in London contributed to its BREEAM rating of ‘Excellent’.

The inclusion of a ZinCo green roof system on the roof and terraces at Regents Place in London contributed to its BREEAM rating of ‘Excellent’.

A range of benefits can be attained across BREEAM assessment – from water detention to energy consumption reductions and responsible materials sourcing to life cycle costing – however, the availability of credits in the ‘Land use and ecology’ section, is of most relevance to green roofs.

The exact number of credits available will vary depending on location (e.g. the re-use of land at brownfield or previously-contaminated sites) and application (e.g. schools earn credits by using green roofs in education and forming wildlife partnerships), however the majority of credits required to attain an ‘Excellent’ or ‘Outstanding’ rating can be achieved irrespective of site placement.

There are two principal stages:

1. The replacement of habitat that would otherwise be lost through the construction process – mitigating the impact of the development and protecting ecological features of the site.

2. Creation of new habitats that will enhance the ecological value of the site to provide long-term biodiversity benefit.

Green roof solutions can be devised to score credits in both categories, with the planting strategy critical to habitat creation appropriate to the wildlife habitation objectives. Schemes can be devised to include appropriate mixes of plant species to attract different wildlife.

For more information on Alumasc’s ZinCo green roofs, click here

For more information on how Alumasc can advise on BREEAM assessments, click here

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A ZinCo green roof from Alumasc assisted with the BREEAM rating of Hetton Lyons School in Sunderland.

Minister of State for Schools and Learners, Vernon Coaker MP, has been talking at the recent BSEC conference about his impression of the nations schools.

He described the governments BSF programme as a “real record of  achievement” and spoke of the significant change brought about in our primary and secondary schools, touching specifically on the award winning architectural designs that make our modern school buildings “inspirational and exciting” places to be.

Mr Coaker continued “The important thing now is to bring every school building up to the standard that we want. To make them modern, light and airy and environmentally friendly.”

Alumasc’s Aqualine gutter system and Flushjoint downpipes were used on Windygoul Primary School near Edinburgh. The project earned East Lothian Council a Carbon Trust Award for Low Carbon Building.

Alumasc’s Aqualine gutter system and Flushjoint downpipes were used on Windygoul Primary School near Edinburgh. The project earned East Lothian Council a Carbon Trust Award for Low Carbon Building.

Alumasc has long been involved in school building initiatives and we are working closely alongside a number of architectural and contract partners on some of the country’s most innovative school buildings. Alumasc’s green roofs, waterproofing systems, thermally efficient external wall insulation and recyclable rainwater systems have all been specified on educational projects to help minimise their impact on the environment.

Let’s hope that by building greener schools, the young generations learning inside them can be confident of a more positive outlook for the earth’s resources.

Mar5

Alumasc Projects Excel at 2010 BREEAM Awards

Posted by david.luukas

16 of the country’s ‘most sustainable’ buildings were recognised at the 2010 BREEAM Awards at this year’s Ecobuild exhibition in London.  ‘These buildings have comprehensively demonstrated their remarkable environmental credentials’ comments BRE Global Chief Executive Carol Atkinson.

The award-winning schemes achieved Excellent BREEAM ratings earning the most performance credits available in the areas of energy, materials, waste, water, ecology, pollution, transport, management and health and well-being.  Each development has been independently assessed and certified.

Alumasc are proud to announce that 4 of the award winning schemes had Alumasc high performance Roofing and/or Facades systems installed on them.  These were:

Bespoke Project – Bletchley Leisure Centre, Milton Keynes – using Swistherm External Wall Insulation (EWI).

Law Courts Project – Salisbury Law Courts – using Swistherm EWI  and Armaseam standing seam metal roofing.

Industrial Project – VLA Stores, Surrey – using Derbigum Flat Roofing System.

Retail Project – White River Place, St Austell – using Swistherm & Swisrail EWI.

For more details on how Alumasc’s sustainable building products can assist with your BREEAM ratings, please call 01744 648400.

Internal Court Yard Aug 09 008

Alumasc’s ZinCo Green Roof system and Hydrotech MM6125 Waterproofing in use on the internal courtyard at Ormeau Bakery

Following the unfortunate demise of Interbuild last year, the government’s first Chief Construction Advisor, Paul Morrell, has been speaking at a launch meeting for the new show BEST (Built Environment Solutions and Technologies) which premiers at Birmingham NEC in October.

In his speech, Mr Morrell was keen to tackle the subject of retrofit, reminding us that existing structures consume around 40% of the nation’s energy.

Retrofit requires close co-operation between suppliers and specifiers, and at Alumasc we are more than familiar with the processes involved. We work alongside architects and designers on hundreds of projects every year, to encourage the specification of sustainable products and systems to create healthy, efficient buildings that benefit not only the wider environment, but those living and working inside them.

The recent refurbishment of the beautiful Ormeau Bakery in Belfast into high quality apartments, is the perfect example of how new technologies are being used to improve existing structures. Alumasc’s ZinCo green roof and Hydrotech waterproofing systems created a peaceful haven on the podium roof of the late 19th century building, which will offer recreation access to residents and a rich habitat for local wildlife.

For details on ZinCo green roof systems click here

For details of Hydrotech  click here

For Alumasc’s full range of waterproofing solutions, please visit www.alumascroofing.co.uk

PR_pic_smlAlumasc is proud to have been involved with the stunning new development from Gentoo Construction at The River Quarter in Sunderland.

Alumasc’s ZinCo green roof has created a roof top retreat for residents of the luxury apartment complex which sits on a former brownfield site and includes a bowling emporium and café bar.

Working closely alongside Napper Architects, our technical support team also designed a complete waterproofing solution for the project which presented a number of challenging design features. Hydrotech MM6125, Alumasc’s BBA Approved structural waterproofing system, was used under the green roof whilst Derbigum Rapido and Derbifoam thermal insulation board were used to create a warm roof build up. Derbigum is BBA Approved and manufactured under an ISO 14001:2004 Environmental Management System.

You can find out more about these widely specified living roof systems at Alumasc’s stand at Ecobuild – Stand 1547, Earls Court 1.

For further information visit www.alumascgreenroof.co.uk

Sensitively designed to keep a low profile in its exceptional surroundings, the new Conwy Culture Centre has recently opened its doors to the public.

A Blackdown extensive sedum green roof completes the low-lying, single storey centre, helping it to become part of, and give back to the natural environment.

Completed in 2019 on the site of an ex-primary school building, it is now a modern masterpiece designed to inform and entertain visitors in a beautiful, relaxing setting.

Alumasc provided a complete roofing solution which included the waterproofing and green roof system. Blackdown’s extensive sedum green roof provides a variety of planting, generally comprising drought tolerant succulents such as sedum, rockery and alpine plants. An example of an extensive green roof, it was an ideal choice for the project as it enabled its roofing element to both blend in with surroundings and positively contribute to the natural environment.

“It was important for the Culture Centre to create a serene environment that would break the barrier between nature and building,” explained Matthew Davies, Area Technical Manager at Alumasc Roofing Systems, who specified materials for the project. “Meeting the BREEAM Excellent certification standard was paramount, and the installation of a green roof was a vital step on this path.”

“The team at Blackdown Greenroofs, an Alumasc company, were extremely diligent in ensuring every effort was made to meet and even exceed the brief. The final result has the added benefit of providing a high level of insulation; another way that a green roof can help a building become more sustainable. People using the centre will find that it is cooler in the summer, warmer in the winter and overall, less energy may be used internally.”

Beneath the greenery, Derbigum high-performance membranes were also specified to ensure a completely watertight installation. The bituminous membranes can be used with a variety of insulation choices including PIR, mineral wool, and extruded polystyrene to suit specification and U-value parameters.

“We worked with 200mm of pre-bonded PIR, which provided the flexibility and easy application we needed for the project,” Matthew said. “Derbigum offers enhanced performance properties including excellent flexibility, fire ratings, strong reinforcement and ease of application, so it’s an extremely popular choice. Critically though, they have a 40-year BBA durability approval with use at zero-falls.”

Throughout the design and construction stages Alumasc Roofing Systems worked closely with DarntonB3 Architecture, the Project Architect. “We were extremely pleased with the workmanship and overall installation of the waterproofing and green roof systems” commented the Project Architect.

Along the duration of the project, the Alumasc team paid the Centre a visit, to assist with the project’s design. “We were able to provide a cost-effective solution, whilst delivering excellent insulation standards by Alumasc,” Matthew says. Although the overall project ran smoothly throughout its building phase, Conwy Culture Centre project did come with some challenges. “The weather was our biggest obstacle,” Matthew revealed, “which slightly delayed the installation of the new roofing system.”

Located in the corner of Bodlondeb Park, North Wales, Conwy Culture Centre is of walking distance from Conwy’s sumptuous medieval town. This light and airy building houses a brand-new county archive, library area, heritage exhibitions, café and community arts hub and the exhibitions on display take visitors through five thousand years of history. The Culture Centre is also dementia friendly. This comes as a result of the landscaped areas around the centre which include a peaceful sensory garden with dementia-friendly and accessible paths and seating and a carefully considered interior.

This Bodlondeb Park land was a gift from Albert Wood, whose family had made their fortune from manufacturing ships’ anchors and cables. The £2.5 million Culture Centre has stunning views towards Conwy Castle and has been constructed to the BREEAM Excellent standard, meeting the standard for best practice in sustainable building design.

Download PDF copy here

The University of East Anglia (UEA), Norfolk, has recently benefited from a £19 million refurbishment project which saw specialised rooftop machinery safely supported by Roof-Pro support systems.

Purpose-built as the university’s new science building, Building 60, was officially opened at the university in October 2019.

The brand new 6000m2 state-of-the-art teaching facility is situated at the western end of the University of East Anglia campus, which resides within 230 hectares of land in Norwich Research Park.

Roof-Pro, an Alumasc company, provided specialised pivoting supports around three Daikin Chillers, air conditioning units, and two VES AHU units, energy saving heat recovery units, that sit on the roof of Building 60. These supports are designed to provide stability and balanced weight distribution across the roof area for the utmost safety and no roof damage.

The roof finish, wind-load, space constraints and future maintenance requirements were all taken into account when producing this bespoke Roof-Pro support system for the project.

“One of the many reasons Roof-Pro was specified on the project was the appealing 20-year warranty which is available for all Roof-Pro bespoke systems,” explained Jimi Ogunsola, Regional Technical Manager for the project. “It’s a highly trusted system that’s well known in the industry.”

“Roof-Pro supports are a safe and efficient way to quickly access and allow maintenance to important systems situated on the roof, whilst avoiding penetrating or damaging the roof’s membrane.”

The campus’ busy activity required the Roof-Pro team to be extremely efficient, with only two weeks to design, manufacture and deliver the frames in order to meet the deadline.

“The contractors were very pleased to see our products arriving already partly assembled, with all mounting plates pre-drilled, which saved them much labour time on site. Installing Roof-Pro’s support system is very easy, therefore great to work with within a tight time limit,” said Jimi.

“This logistically challenging site required our team to coordinate daily with the UEA Estates Department,” said James Mitchel, Main Contractor at RG Carter, who worked on the project, “as well as the nearby Norfolk and Norwich University Hospital and other campus users to ensure construction activities did not disrupt routine.”

As part of a range that can be tailored bespoke to a client’s needs, Roof-Pro’s large unit support solutions are able to meet the requirements of many various sizes and weights of building service units, as well as specific roof designs and site parameters.

Building 60 provides the university with a comprehensive range of high‑specification lecture and seminar rooms for students across all disciplines. Its top three floors comprise teaching laboratories, with the ground floor maintaining an open interactive space for over 500 students.

Aiming to provide students, professors and associates with a multi-faceted space for many faculties, it features laboratories and social learning spaces where both traditional study and creative interaction are able to grow side by side. The idea informing the entire building design originates from the campus’ ideology of collaboration and discovery.

The buildings bespoke laboratories include large numbers of data connections, sensory lighting and localised fume extraction systems which allow students to carry out advanced experiments under controlled conditions.

Download a PDF copy here

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East London’s Whitechapel Station, which will eventually become one of the stations on Crossrail’s brand new Elizabeth Line, has taken advantage of its canopy roof area and transformed it into a valuable environmental asset.

An extensive sedum NatureMat® green roof from Blackdown Greenroofs, an Alumasc company, was specified and installed at the station. This came as a result of the horticultural partnership between the Transport for London network and Kalzip Standing Seam Roofing Systems, which has been a partner company of Blackdown since 1999.

Being experts in the green roof field, Blackdown were able to effectively recommend the most appropriate green roof system to be installed over the Kalzip standing seam roof.

NatureMat® is part of Blackdown’s extensive green roof range. It is lightweight with a relatively shallow substrate, however, still offers a wide range of planting possibilities, including drought tolerant succulents such as sedum, rockery and alpine plants. Blackdown extensive green roofs provide a wealth of ecological and economic benefits such as reduced water run-off and increased biodiversity.

The £50,000 project was completed in November 2019, installed by contractors BBMV, a partnership between Balfour Beatty, Bemo Tunnelling, Morgan Sindall, and Vinci Construction.

BBMV Section Engineer Nasi Payman, who worked on the project explained: “This project involved a lot of coordination with other services and trades due to the restricted access, location above a rail track, and the fact that it is a prestigious project.”

One of the main challenges with this project was that the station roof was curved from 0 to 22 degrees, which meant the green roof system had to be specially designed to function on a unique sloping surface. A specialised NatureMat® system was specified as it incorporated a 25mm fully wrapped drainage layer, a 50mm substrate and a 25mm sedum mat. 

“As the roof pitches at 22 degrees it required a high degree of planning and meticulous attention to detail throughout planning and installation,” explained Nasi. “Moreover, the pitched areas required the addition of substrate retention battens to stop the migration of the materials down the slope.”

“Blackdown are known for offering high quality installations on sites that demand a high degree of management and safety input. We were delighted to work with them on this really interesting and innovative project.” said Nasi.

“We are delighted with the very successful outcome, which delivered an addition to the scheme that will have both aesthetic and environmental benefits for anyone using the Crossrail facility,” concluded Nasi.

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One Chamberlain Square is the lead project in a wider vision to create Paradise in Birmingham—the most important development the city has seen in a generation.

With the help of Alumasc offering solutions for the entire building envelope, One Chamberlain Square is set to be a vibrant mixed use development that will not only be the new home of professional services firm PwC, but will endeavour to maintain a balance between busy urban hub and the natural world.

To do this, Alumasc provided a range of products and services encompassing the entire building envelope, specified by Weedon Architects. This included a Blackdown Greenroofs Extensive Brown Roof, applied over Hydrotech Hot Melt Waterproofing, alongside Harmer Roof Outlets and bespoke solutions from Roof-Pro, for building D: an eight-story commercial building over a podium car park. Inside, bespoke blinds by Levolux, also an Alumasc company, were installed.

“This is an extremely high-profile development, which demanded trusted, standard setting products,” said Owen Doherty, Director at Weedon Architects and Project Architect for the venture. “All systems decided on were chosen on quality, durability and enhanced design life compared to competition.”

On the roof of Paradise

Blackdown Greenroofs Extensive Brown Roof is a green roof in the making. Covering approximately 4000m2 of roof space for this project, One Chamberlain’s ‘brown’ roof is installed without plant life and will naturally seed from plant material that either blows in from the local environment or that is introduced by birds. In this way, it literally replaces the green space that has been taken up by the construction of the building it lies on, encouraging biodiversity by providing and strengthening habitats for wildlife local to the area, with truly local plant life.

Typically, the substrate is mounded to offer habitat variation, therefore the depth of the brown roof can vary be between 92-170mm and have a saturated weight of approximately 113-213kg per square metre, depending on the depths of the substrate.

Beneath this, Hydrotech MM6125 roofing, a hot melt rubber bitumen membrane, delivers sound structural waterproofing. The bitumen is heated and combined with a polyester reinforcement and protection sheet to form a weatherproof layer that has a 100% bond to prepared concrete surfaces. With no product failures in over 50 years, Hydrotech Hot Melt roofing is guaranteed for waterproofing integrity for the lifetime of the structure.

Working in tandem with each other, the Blackdown Greenroofs Extensive Brown Roof helps to extend and reinforce the life and guarantee of the waterproofing, offering a protective layer of natural insulation.

Giving his seal of approval, Owen said: “I only specify Alumasc hot melt at the moment and have done for many years. All products and systems chosen here have had zero product failures and I have never had any issues with technical specifications on previous high-profile buildings.”

Only just slightly closer to the ground, controlled descent three-stop blinds by Levolux were installed, anticipating the sunlight that will beam into the glass fronted building upon completion and giving thought to end user comfort.

A roller blind system unique to Levolux, each blind is designed to automatically descend to one of three stops in a controlled manor when the operation chain is released, for a uniform look. Bespoke ‘Z’ brackets were fabricated to support the recessed headbox surrounding the blinds.

Levolux offer an extensive range of blinds ideally suited for offices, public buildings, hospitals, schools and other locations where glare control is important. Established 1984, Levolux became part of Alumasc in 2007.

Providing efficient drainage

Given the huge expanse of roof space involved this project, effective flat roof drainage was essential. Harmer AV high capacity aluminium roof outlets were installed for this purpose. Suitable for all regular flat roofing applications with continuous membranes, these outlets are lightweight, durable, non-corrodible and have been proven to drain 40% more roof area than conventional gravity outlets, therefore further ensuring the long life and service of other flat roof systems.

Aiding project completion, Roof-Pro support systems were also tailored bespoke to meet the roof structure requirements. Free-standing support and access solutions were devised that would allow work to be carried out safely, efficiently and without causing damage to any of the roofing systems being installed.

Owen explained: “The challenges that we had to overcome to ensure the project was a success were the number of upstands, parapets, pitch pockets and davits to content with, but we are extremely satisfied with how the project has turned out so far.

“Technical support from Alumasc is very good; all support is geared towards aiding technical understanding, and solutions were developed for every challenge.”

A word from the contractor

Christian Bradley of Briggs Amasco, who installed the roofing, commented: “One Chamberlain Square and the surrounding podium waterproofing form part of the largest construction programme in Birmingham. We are extremely proud to be working on this landmark project.

“The products and systems installed all have long legacies of successful projects behind them, and there are no better guarantees than real results. They also offer excellent value for a competitive cost. These are just a few of the reasons why we love working on Alumasc projects. Alumasc offer a single source for all solutions, bespoke design detailing and the technical support is always on-hand when you need it.”

Due for completion in autumn 2019, One Chamberlain Square forms an integral part of a masterplan redevelopment that will transform part of Birmingham City Centre.

Find information on all Alumasc products and services here: www.alumascwms.co.uk/  |  www.alumascroofing.co.uk/
Explore more from Levolux here: www.levolux.com/

Keep up with Weedon Architects here: weedonarchitects.co.uk/

Find more information about Briggs Amasco here: briggsamasco.co.uk/

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Alumasc Derbigum Olivine roofing absorbs and neutralises CO2 on contact, as it falls in rainwater. This ground-breaking technology has been used in the recent redesign and refurbishment of Nottingham Trent University’s Clifton Campus Library, which now features over 1000m2 of Olivine, providing a waterproof, BBA approved roofing solution.

As one of the UKs most environmentally friendly universities, NTU has a reputation to uphold. The UK market for green construction projects has grown significantly in the last 10 years and is poised to grow further in the next three. As society’s collective environmental conscience grows more aware, developments which design with environmental concerns in mind have become more revered. This seems to be the case increasingly so with students and younger generations.

As well as teaching the effects of positive actions towards the environment, NTU has decided that the best way to impress the importance of their students is to demonstrate it in their campus buildings.

M & J Roofing installed the membranes, after it was identified as the most appropriate waterproofing solution that would also offer the sought after added environmental benefits. As a bituminous felt system, Derbigum Olivine is 40% recycled, therefore from an environmental point of view, it has an edge over many competitor brands.

“Alumasc Derbigum Olivine roofing contains a naturally occurring mineral upper layer that irreversibly neutralises CO2 that falls in rainwater, on contact,” explains Ben Green, Divisional Marketing Manager for Alumasc WMS and Alumasc Roofing. “When the rainwater rolls off the roof and eventually reaches the drains, it’s carbon-free. The olivine grains decrease in size with each reaction, however are large enough to last 30 years plus before having completely reacted. It’s construction industry science at its finest!

“The membrane itself is guaranteed for 40 years, carrying the longest British Board of Agrément (BBA) certificate in the UK. It’s high melting point ensures membrane stability in the hottest weather whilst the polyester/glass fibre reinforcement provides high tensile strength.”

This refurbishment also included the specification of Alumasc Rooflights and Harmer aluminium Roof Outlets, coupled with GX Pressed Aluminium Gutters and Heritage Circular Pipes, ensuring adequate drainage could be achieved for the new roof.

Alumasc Rooflights provided an ideal solution to allowing natural daylight into the building from above. The unique kerb design incorporates both security and waterproofing to create a reliable, safe and secure rooflight, allowing horizontal termination of the waterproof membrane. This makes water penetration virtually impossible. The domed glazing is moulded from Marlon FSX Longlife, premium quality solid polycarbonate, which has an impact resistance up to 200 times that of glass.

Technically sophisticated, Harmer AV high-performance aluminium roof outlets are chosen for this project as they guarantee a trouble-free performance and are especially suited to flat roofing applications featuring continuous membranes.

Harmer AV roof outlets combine innovative product design with full industry compliance to meet the needs of rainwater drainage in any construction project, with the ability to drain up to 40% more roof area than conventional gravity outlets. Further to this, their lightweight, durable, non-corrodible design means that they will do so for up to 40 years.

GX Pressed Aluminium Gutters are robust box section gutters designed for traditional wet jointing on site. They’re especially suited to applications where maximum capacity gutters are required. For the very large drainage area of the campus roof, they were perfect.

Designed to fully accommodate thermal movement at every joint, they are lightweight, durable and noncorrodible, and, upholding the environmental prerequisites of this project, they are 100% recyclable.

Finally, Heritage Circular Pipes are available in 4 pipe diameters and 3 pipe lengths, together with a complete range of fittings. Can be factory finished to replicate cast iron or with BBA certificated powder coatings in a range of colours.

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Boasting iconic views over the River Thames, taking in the London Eye, Big Ben, and the iconic Houses of Parliament, Waterloo’s shining Whitehouse Apartments are iconic in their own right.

Standing fourteen stories tall among the Southbank’s cultural swathe, the impressive, polished residential buildings, have recently been completed with state-of-the-art Alumasc Derbigum roofing.

Craig La-Thangue, Senior Contracts Manager at Acclaim Contracts, who installed the roof, explained, “Our project at the Whitehouse Apartments was very enjoyable to complete, for many reasons, including the spectacular view, and of course working with Alumasc Derbigum membranes, as the high-quality product made the project run very smooth.”

Over the entire 2200m2 roof area, Craig and his team first removed the old roofing that was in place—which just so happened to also be an Alumasc product!

“When we got up there, we were surprised to find that the roof that was in place was actually still in good condition,” Craig explained. “It had been up there for 30 years, but the only places that were showing serious signs of wear were the patches around installations such as air conditioning units and skylights that had been installed after the roof was laid.

“These roofing membrane patches were from another brand, which hadn’t fared well at all, and had visibly deteriorated to the point where they were letting in water.

“Over time, this would cause damage within the building that could lead to other more serious problems further down the line, so it was important for us to replace the roof and do a good job.” 

Derbigum is a high-performance waterproofing membrane that carries a BBA certificate confirming its service life in excess of 40 years. It offers performance properties including excellent flexibility, fire ratings, strong reinforcement and ease of application.

Derbigum is ideal for warm roof applications; its high melting point ensures it will remain stable even in the hottest weather. Alongside this, the polyester/glass fibre reinforcement within the membranes provide high tensile strength.

Giving specifiers and contractors peace of mind, Alumasc Derbigum membranes are manufactured in accordance with ISO 9001:2015 and ISO 14001:2015.

The project ran smooth from start to finish, from December 2018, to April 2019: “The only obstacle was the sheer size of the project!” commented Craig.

“Working with Alumasc is always hitch-free. We have worked with them on a number of other projects and they always have been reliable. Even if there is an issue, it’s sorted out quickly, efficiently and professionally. It makes us feel very confident in both the company and the roofing products,” Craig concluded.

Keep up with Acclaim Contracts and their current projects here: acclaimcontracts.co.uk/

Find more about Alumasc Derbigum Roofing here: alumascroofing.co.uk/products/waterproofing/bituminous-membranes/derbigum-flat-roof-membranes/

Find out more about the full Alumasc roof refurbishment offer: https://www.alumascroofing.co.uk/support/

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A place that seeks to find the perfect balance between work and play, The Old Vinyl Factory is home to a large, young community and provides them with commercial and leisure facilities, restaurants, shops, cafes and bars.

But this isn’t all. Far above the ground, a series of roof gardens and patios have also been sensitively developed by Blackdown Greenroofs, catering to the large number of young families and working parents in the community.

The four main blocks rise above a central podium area, hiding their private oasis from the general public, making them a haven of calm and tranquillity that extend the idea of living space to the outdoors.

Landscaped to provide opportunities for relaxation as well as play areas for children, small trees and shrubs provide the gardens privacy, while playground apparatus complete the area.

Having a recreational green area is a huge and often rare benefit to urban and city dwellers, who may not have access to nearby public parks or natural areas. Research has shown that those who regularly spend time in a natural environment have improved mental, physical and even emotional health.

The gardens also replace most of the green space that may have otherwise occupied the space where The Old Vinyl Factory buildings sit, encouraging local natural wildlife and aiding biodiversity.

To achieve this, Blackdown Greenroofs installed an intensive green roof with integrated bespoke intensive planters containing a variety of wildflowers, sedums and shrubs, alongside some paved areas, benches and decking. An intensive green roof features a substrate of increased depth, so that planting can be similar to that on the ground: planters, lawns, trees and shrubs all have a healthy home here.

Rob Beswick at B D Landscape Architects, who designed the space, said: “I have been really impressed with the completed development. The podium landscape and roof terraces are well installed and it’s great to see a project where the quality of the soft landscape hasn’t been compromised.”

The children’s play area includes large pebble seats, bears, large 3D resin play models and active play equipment. Permanent irrigation systems are installed to ensure the gardens’ longevity and that this area in particular doesn’t flood.

With providing the utmost health and safety in mind, gates and fencing were also installed, all using specialist fixing methods to ensure the integrity of the waterproofing membrane below the green roof was not compromised.

Find out more about Blackdown Greenroofs and what can be achieved at: blackdown.co.uk/

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Derbigum Olivine at Dundee University

One of the busiest buildings at the University of Dundee was able to benefit from a complete replacement of its waterproof roofing with Alumasc Derbigum Olivine roofing membranes.

The August 2018 project ran for six weeks and was completed on time, without any complications, after a thorough site survey to correctly identify the project needs.

During the survey, it was discovered that the roofing in place had exceeded its lifetime, and was in very poor condition.

After receiving specifications from Alumasc, the client decided to take the opportunity to install a high-quality roofing solution that would also contribute positively to the environment.

“Olivine membranes are extremely special,” explained Permatop Roofing Director Jim McVeagh, who headed up the project. “Olivine is a highly effective, durable waterproofing solution for roofs which also actively purifies the air by neutralising CO2 in rainwater.”

Olivine membranes use a naturally occurring mineral upper layer that neutralises the most prevalent greenhouse gas via an irreversible chemical reaction when it comes into contact with rainfall. This technology was developed with the objective of contributing positively to the on-going challenge that climate change poses.

The Olivine grains within the membrane decrease in size with each reaction, however, once installed, clients can rest assured that they’ll continue to work for up to 30 years before the grains will have completely reacted. Each membrane is 100% recyclable and British Board of Agrément (BBA) approved.

1kg of Olivine granules have the capacity to neutralise 1.25kg of CO2, meaning over its 30-year life time, this 600m2 project could potentially absorb nearly 3500kg of CO2.

Alumasc Derbigum Olivine roofing is ideal for warm roof applications. It’s high melting point ensures membrane stability in the hottest weather whilst the polyester/glass fibre reinforcement provides high tensile strength. In the middle of the summer, this was an extremely important consideration for Jim.

“Personally, I think the technology that goes into Olivine is amazing,” Jim commented. “Anyone who chooses to install Olivine on their rooftop is actually doing something positive for the environment, while also ensuring a high quality, built-to-last waterproof solution for their roof. It couldn’t be easier, so why not?”

Approved by the BBA (Certificate No 86/1593), all Derbigum roofing membranes, including underlays and vapour barriers, are CE marked, with Declaration of Performance (DoP) certificates available.

Alumasc Roofing carefully carry out site surveys, and offer specifications, CAD/BIM calculations and designs, site reports and monitoring and roof maintenance to ensure that each and every project is executed and maintained to the highest standard.

Permatop Roofing are an approved contractor to install Alumasc products, and won the tender for this project based on their experience and expertise in this type of refurbishment work.

“Permatop will only work with the best quality roofing products,” said Jim, “which is one of the reasons why we work with Alumasc: the products are of excellent quality, great to work with, and the company is overall very reliable.”

Find out more about Alumasc Derbigum Olivine Roofing Membranes: www.alumascroofing.co.uk/products/waterproofing/bituminous-membranes/derbigum-olivine-membrane/

Find out more about the full Alumasc roof refurbishment offer: www.alumascroofing.co.uk/support/

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New legislation from the Welsh government, which came into effect on 7 January 2019, stipulates that all new developments of more than one dwelling or where the construction area is 100m2 or more should have Sustainable Drainage Systems (SuDS) in place.

From this date onwards, SuDS on a new development must be designed and built in accordance with the Statutory SuDS Standards published by the Welsh Ministers, while SuDS schemes must be approved by the local authority acting in its SAB role, before construction work begins.

Alumasc WMS have always worked with the philosophy that surface water from both roof and ground level is a valuable natural resource which should be managed in a way that reflects this. This is not only in the interests of the surrounding environment but also to create better places for people to live, work and play.

With this in mind, we believe water management should be considered from the beginning of the development process and throughout, and that it should positively influence the design and layout of the project or space.

So, how can you implement SuDS in your project when it comes to roofing and water management?

The core aim of SuDS is to manage rainfall in a way as similar to the natural process as possible, making use of surrounding landscape and natural vegetation to control the volume and flow of surface water. The benefits of SuDS can encompass flood risk reduction, enhanced biodiversity, creation of natural habitats for wildlife, contribution to better mental health and much more.

Both Green and Blue Roof systems offer SuDS measures, intended to significantly reduce peak rates of rainwater runoff, especially during heavy rainfall. This is not limited to during the event of a storm. As a general rule in the UK, London and East Anglia receive high intensity rainfall incidents, whereas western aspects of the UK generally receive higher total rainfall. So, its not just Cardiff, officially the UK’s wettest City, but the whole of the UK that would benefit from Green and Blue Roof technology.

Green and blue roofs do this is in different ways but can be used in conjunction with each other. Blackdown Greenroofs, for example, retain rainwater through plant absorption and provide replacement of lost animal habitats through the introduction of natural vegetation, occupying otherwise redundant roof space and providing a great opportunity to create new amenity space for people to use for recreation and increased overall wellbeing—a real benefit in dense urban spaces.

Alumasc BluRoof rainwater outlets may be used to drain the excess runoff that is not absorbed by a green roof. They do this in a controlled way, using specially designed flow restrictors: the attenuated stormwater is temporarily kept at roof level for controlled discharge — integral to the mitigation of flood risk. The number and aperture diameters of which are calculated individually per job, to reduce the rainwater discharge to a specific maximum rate advised by the designer. In this way, clients can be confident that an Alumasc BluRoof system can be trusted to provide a water management solution that is tailored bespoke to their needs.

With an Alumasc BluRoof, grey water can be attenuated at roof or basement level and re-used within the building, for applications such as air conditioning or toilets after filtering. This results in less water consumption by the building, and less rainwater discharge into sewer systems: both more environmentally friendly, and more economical. On large commercial schemes this can create client cost savings in the £100,000s per annum.

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