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The 3mm Protecto-Mat Rubber Crumb Protection Membrane from Wallbarn is designed for synthetic and bituminous waterproofing membranes, including polyurethane or PVC single-ply membranes where bituminous protection boards can't be used. With a density of 950 kg/m, this mat is incredibly durable, flexible, and easy to install. It protects waterproofing membranes from point loading, abrasions, blunt materials, concrete casting, and backfilling, extending the membrane's lifespan. The mat is 3mm thick, has a tensile strength of 0.9N/mm, and weighs 33.75kg. It withstands temperatures from -30C to 80C and has a thermal conductivity of 0.1226 W/mK. Made from recycled tyre rubber crumbs, this lightweight, non-toxic mat is suitable for horizontal and vertical surfaces. It protects green roofs, podium decks, inverted roofs, parking areas, walkways, basements, foundation walls, drains, ditches, and tunnels. Supplied in a non-rigid roll, it is robust, non-delaminating, and fire-rated Class B.. Wallbarn 3mm Protecto-Mat Rubber Crumb Protection Membrane - 1m x 15m Black