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Waterproofing solution for Blackhorse Lane development

by Jennie Ward

Langley system meets the many requirements of extensive new-build housing project.

When approached to work on a large residential new-build housing project in Walthamstow, Langley Waterproofing Systems was on-hand to provide the ideal solution with Approved Contractor, T & T Roofing Limited. 

Walthamstow continues to be the centre of a large-scale modernisation and renewal strategy. Taylor Wimpey is one of several developers working to turn the former industrial area of Blackhorse Lane into a vibrant community that will attract a new generation of residents and businesses. 

As a part of the ambitious regeneration, Taylor Wimpey’s Eclipse development on Blackhorse Lane will deliver 499 one, two and three bedroom apartments across three phases. Each block features innovative green roof spaces over both affordable and private properties. Pressure for national housebuilders to meet the targeted number of new build homes continues to increase year on year.

Latest information included within a Commons Library Briefing (March 2020) now estimates the number of new homes needed in England is up to 345,000 per year. In 2018/19, the total housing stock in England increased by approximately 241,000 homes, and although this is 9% higher than the previous year, it is still lower than the estimated requirement. 

On phase three of the development, Taylor Wimpey needed a supplier and trusted roofing contractor team that could reliably respond to the demand of delivering system installations swiftly. This project contributed towards achieving the defined number of new homes needed for the local area. To this end, it was important that the roofing system specified could reliably be installed swiftly to help meet this requirement. 

Speaking on the decision to choose Langley’s roofing system solution, Ryan Gow, Externals Site Manager at Taylor Wimpey, commented: “The huge scale of the Blackhorse Lane development presented several challenges that we needed to overcome. For the roofing, we needed speed of installation without compromising quality and durability. We were impressed with Langley’s HM-40 Paratech Hot-Melt Roofing System performance. As this was the third phase of the development space was a critical factor, it was therefore important that deliveries were closely managed to avoid delays to the build schedule. Langley ensured that this was always the case, so that delays never occurred.” 

Langley’s innovative HM-40 Paratech Hot-Melt Roofing system offers a number of features and characteristics that made it the ideal choice. Unlike other hot melt solutions, which tend to use fleeces, the Paratech system incorporates a reinforcement mesh allowing the system to be rolled out and thus making installation quicker. 

Speaking on the installation process, Thomas Peebles, Managing Director at T & T Roofing Limited, a Langley Approved Contractor, commented: “The features of the HM-40 system provide a seamless, issue-free roof installation, with minimal disruption and speedy install times. Langley’s technical team is always on-hand to provide assistance when necessary, working collaboratively to guarantee a consistent and high-quality installation.” 

The HM-40 Hot Melt Roofing system has been specially designed for new-build projects, particularly where a fast install and fully bonded system is required, meaning further trades can access the area. As such, the solution is primarily used for concrete substrates, but can also be used on plywood and for a warm or cold roof configuration. As well as offering quick installation, the solution can be used for weatherproofing for green roofs, terraces and podium decks.

Additionally, when installed by an approved contractor, the HM-40 system provides up to 40-years durability. To this end, the system also meets NHBC Technical Standards Chapter 7.1 for roofs and balconies and its performance has been certified by the British Board of Agrément (BBA).  

Speaking on the specification of the HM-40 Hot Melt Roofing system, Chetin Ali, Area Manager at Langley, commented: “The solution used at Blackhorse Lane perfectly encapsulates what sets us apart. As with all our projects, we provided the project team with a full holistic package, which includes technical and design advice, specifications, site monitoring, reporting and warranty inspections. The monolithic, elastomeric waterproofing system is long-lasting and has incredible tensile strength. Its rapid drying solution means it can be quickly accessed by following trades on-site. It also enables rapid installation, which was a big benefit on this project.” 

Ryan Gow concluded: “We were thoroughly pleased with the waterproofing solution and how efficiently it could be installed. The 40-year warranty that is included to cover both the materials and workmanship, provides us and the new homeowners at the development with peace of mind and the quality of construction we pride ourselves on.” 

The majority of the development is now complete, with the final homes due for completion in 2020, and a new community is developing as more residents move in. T & T Roofing Limited was awarded Langley Contractor of the Month in March 2019, for its extremely high standard of work on the project. 

For more information on Langley’s flat roofing solutions for new build developments, register and download their Flat Roofing System Guide detailing the benefits, technical data and associated accreditations of each system at www.langley.co.uk/technical-downloads.

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