This particular Poly Flex - membrane brought to you by Poly rubber products conforms to minimum requirement of " RMA Roofing Council of U.S.A. / ASTM standard " which has proven performance of more than 20 years. These amazing Poly Flex EPDM Water Proofing Membranes are used for all kinds of Roofs, Pool, Water - Chemical Canal Linings, Water Storage Tanks, Reservoirs, Under Ground Constructions and in varied areas. These Single-ply black membranes are lightweight and have exceptional long lasting elasticity permitting the materials to withstand Building movements, Ozone and weather, Expansion - Contraction of Building surface. These sheeting`s are mainly used for Water Proofing in Roof, Swimming Pools, Foundations of any civil construction, etc. As even after 20 years these Roofing Material maintains good properties and appearance. Unlike conventional asphalt / bitumen roofing, there is no stress failure from structural movement due to the minimum 300% elongation of Poly Flex membranes. They do not deteriorate due to very high resistance to ultra violet rays and ozone and hence they require minimum maintenance. They have the capacity to withstand extreme temperature, as they do not split, crack or rupture due to extreme temperature fluctuations. These sheets have a flexibility range of - 50 c to 150 c. Poly Rubber Products takes opportunity in delivering right kind of products which includes TermiGard Water Proofing Membranes, FungiGard Water Proofing Membranes, Coloured Water Proofing Membranes, BUTYL Based Membranes, HYPALON Based Membranes, Protective Solution Coatings, Rubber Linings, Rubber Moldings and many others.