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Irrigation of Intensive Green Roof Systems

Alumasc Roofing

The total absence of or the provision of inadequate irrigation systems is one of the commonest reasons for planting failures on green roofs, or within planters. Here we take a quick look at some of the pressures and solutions for providing much-needed irrigation to our green spaces, but with an emphasis on green roofs.

Maintaining your green roof using temporary irrigation

Alumasc Roofing

One of the most common causes of green roofs under performing is insufficient application of irrigation immediately after the plants have been installed. With the UK’s variable weather conditions we can experience long periods of unseasonably dry weather when normal levels of rainfall cannot be relied upon to provide sufficient moisture for the plants to establish into the growing medium.

30-year old plus flat roofs still going strong

Alumasc Roofing

Alumasc Roofing Systems’ Derbigum bituminous membranes provide over 40 years durability and last year gained updated BBA certification confirming this. However, prior to the updated certification being published over 700 million m2 of Derbigum products have been installed worldwide since 1932. This proves the immense reputation the Derbigum product holds amongst specifiers throughout the world.

Hydrotech Structural Waterproofing and Derbigum Warm Roof System – The Brunswick Centre, London

Alumasc Roofing

The Brunswick Shopping Centre in London required a refurbishment to bring it into the modern era. This included providing the waterproofing solutions to all the main piazzas, walkways and podiums. With over 50 years zero product failures Hydrotech Structural Waterproofing was installed, this included a build up of XPS Inverted Insulation and the Hydrotech Hot Melt itself. Beneath these piazzas is a cinema and car park, therefore waterproofing integrity was vital. Hydrotech Hot Melt Waterproofing is fully BBA approved.

The benefits of Alumasc's BluRoof single point warranty

Alumasc Roofing

Alumasc’s Blue Roof system is a single source, fully warranted waterproofing and sustainable drainage solution. Exploiting the combined expertise of Alumasc’s Roofing Division and Harmer Engineered Drainage Systems; allowing a truly single source solution that we believe is integral to a system of this nature. This is because the system has been tested by Alumasc working in conjunction with consulting engineers and test houses to guarantee system performance throughout the life cycle of the roof or podium.

Asbestos Roof Coating & Roof Refurbishment

Liquasil Ltd

This is an asbestos cement roof coating and refurbishment project completed by Liquasil Approved Installers, Nadco Ltd. The roof was first cleaned and all cracks, small holes and fixings sealed with Liquasil Non-Sag Sealer, providing a permanent seal. The entire roof surface was then coated with the BBA Approved Asbestsoeal 20 asbestos roof coating system.

Alumasc reaches new heights on The Shard in London

Alumasc Roofing

Being Western Europe’s tallest building, The Shard is the latest in a long line of prestigious London landmark projects to be protected by Alumasc’s Hydrotech hot melt waterproofing system. This iconic building joins well-known developments such as Canary Wharf, Bishopsgate and Tate Modern where Hydrotech has been successfully used, signifying new heights for the market leading structural waterproofing system. A total of 3500 metres of Hydrotech has been installed across various levels of the 310m (1,016ft) landmark building, whose glass façade now dominates the London skyline.

Hydrotech MM6125 hot mely waterproofing independently verified by underwriters laboratories - 30% recycled content.

Alumasc Roofing

The Hydrotech component formula is a unique combination of recycled materials found exclusively in Hydrotech, including rubber crumb from used tyres, process oil and inert fillers, along with the basic bituminous element. These recycled products are typically disposed of via landfill, therefore, the heightened use of these post-consumer materials within this hot melt system helps save the landscape and the atmosphere.

Alumasc waterproof RIBA National Award winners 2018

Alumasc Roofing

The RIBA National Awards are given to buildings across the UK recognised as significant contributions to architecture – Alumasc’s Hydrotech high performance structural waterproofing was used on four winning buildings – Kings Cross Triplets, Riverlight, the Leadenhall (Cheesegrater) building, and the V&A Museum, highlighting Hydrotech as the ideal choice when selecting long-term durable waterproofing for high profile prestigious projects.

Weybridge Gym Roof

Briggs Amasco Ltd

BriggsAmasco, supplied the roof – from design to installation – for the gym based in Weybridge, Surrey. The company had previously installed a FlexiPhalte car park deck roof, hence it was chosen for the gym’s latest refurbishment – one of the busiest periods for the leisure industry with members getting in shape for the festive season. It was vital therefore the gym remained in operation whilst the new roof was installed. Staff and customer safety was paramount during this time, with BriggsAmasco erecting scaffolding around the site’s perimeter to protect those entering and exiting the building.

Ballymena Church Roof use Magply in Roof Build-up.


Recently completed 3,600m2 roof over the auditorium and sports hall uses perforated metal decking to span the main steelwork. Magply specified to carry 150mm of Hardrock DD underlay and a further 60mm of Hardrock Multifix insulation covered by a Sarnafil single ply roofing membrane. Stevie Jones, commented: “This is a large installation of some 3,600 square metres, with the auditorium and the higher level roof over the sports complex, both featuring the use of the Magply. They are being mechanically fixed to the decking prior to installing the two layers of Rockwool and then the Sarnafil membrane..”

Roof Coating - Flat Roof Waterproofing, BBA Approved

Liquasil Ltd

Liquasil Ultra PU is a BBA approved flat roof waterproofing membrane. Cold-applied, the system comprises an embedment coat, into which a chopped strand reinforcement mat is laid to provide exceptional strength. The mat dissolves and allows for hand-moulding around difficult details. Once cured, the Liquasil PU UV coat is applied to provide additional strength, durability & protection. The completed system comes with the unique Latent Defects Insurance Guarantee, which provides cover for Professional Design. Specify with 100% confidence. Made in the UK.

Combining a Range of IKO Roofing Waterproofing Systems to Refurbish a School Roof


The existing waterproofing had failed due to a previous poor installation, the result of which saturated the insulation below the exterior roofing. New high performance solutions were specified that included a range of IKO roofing waterproofing systems to protect both the flat and pitched roofing areas of the building. IKOslate, a robust and durable tile was specified for the pitched roof due to vandalism and the fragility of the current system, whereas a tapered scheme was required for the flat roofing - IKO Ultra Prevent alongside a cold applied liquid solution (IKO Polimar) for the more intricate details.

The Roof Gardens, Manchester


- Location: The Roof Gardens, Apartments, Manchester - Developer: DeTrafford Estates Group - Challenge: The previous intumescent varnish on external timber panelling on walls and decking broke down after just 12 months. - Solution: Remove existing coating, apply Zeroflame Treatment - Result: Original beauty of the decking and timber paneling on the walls is resorted, the timber is compliant with building regs and the property owner is happy.

New Altas Roof Lanterns

Trade Access Panels

Trade Access Panels are proud to announce the launch of the latest product to their range being the Atlas Roof Lanterns. Atlas are leading the way in rooflights offering an unrivalled contemporary, clean, modern range of Roof Lanterns in a variety of standard stock sizes with several colour choices. Glazing options are available in self-cleaning solar controlled glass. Roof Lanterns offer the perfect solution to gain light via any current flat roof while providing a modern contemporary image to any room. Less is more when it comes to Roof Lanterns.

Asbestos Roof Refurbishment Norwich

Liquasil Ltd

This asbestos cement roof was covered in moss and lichen and had leaks in several places. The BBA Approved Asbestoseal was specified to refurbish the roof and provide extended life expectancy. The roof was steam cleaned and all metal fixings treated with liquasil SWT corrosion primer. All fixings and cracks to the roof sheets were sealed with Liquasil Non-Sag Sealer before the whole roof was coated with Asbestoseal 20. Liquasil's Latent Defects Insurance Guarantee was provided upon completion.

Hybrid Roofing Solution for Manufacturer


The original profiled metal decking was covered with a layer of fibreboard and a layer of felt. Deterioration was so bad in places that entire areas of the roof needed replacing. Some areas were so fragile that it was dangerous for contractors to walk on them. Starting from the less damaged areas of the roof, the original roofing was removed and replaced the profile metal deck with a spacer support system onto which was laid fibreboard and then the IKO Mach One system from IKO.

Showing 1-36 of 1255