ERJ staff report (BC)
Gaerwen, UK – A rubber membrane just 1.2mm thick has waterproofed an egg-shaped primary school in Birmingham.
AAC Waterproofing roofed the 1 600 square metre, timber-framed Four Dwellings Primary School, a project in the Birmingham Building Schools for the Future (BSF) programme, using its Prelasti prefabricated EPDM material.
AAC supplied a prefabricated single-ply EPDM solution consisting of a vapour control sheet, 150mm flat board insulation and Prelasti cover. The stepped-length EPDM sheets were bonded off-site using vulcanising technology, with a view to making the roof more durable than adhered strips.
The company’s project manager Mike Grant said: “We are finding that timber-frame structures are being used more widely as an alternative to steel because of their environmental properties.
“EPDM is the ideal waterproofing membrane for timber structures such as Four Dwellings, as it is lightweight, environmentally sound, and involves no hot works or fires, as asphalt does.”
Typical AAC projects include commercial and residential roofing, including school refurbishments, new builds, and government building projects across England and Wales.
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