Comparing EPDM Membrane Sheet vs Bitumen What UK Roofing and Waterproofing Contractors Polygomma
For UK roofing and waterproofing contractors weighing up material choices, understanding the performance difference between conventional torch-on bitumen and a modern epdm membrane sheet is essential for delivering projects that stand the test of time. The waterproof rubber sheet for roof applications made from synthetic EPDM rubber is single-ply by construction, meaning there are zero risks of the inter-ply blistering and delamination that commonly affect multi-layer bitumen systems — a well-documented failure mode on UK flat roofs exposed to freeze-thaw cycling. EPDM membranes are applied cold using bonding adhesive, eliminating the open flame requirement of torch-on systems and removing the associated fire risk on live or occupied sites — a significant consideration under current UK health and safety regulations. The product is resistant to UV, ozone, and air pollutants, covers basements, roofs, terraces, expansion joints, and wet areas as a single system, and carries a proven service life exceeding 30 years in exposed conditions. Thicknesses range from 0.8 mm to 6.0 mm to match project-specific structural requirements. Polygomma manufactures CE-marked membranes to EN 13956, fully compliant for UK and European specification.
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