This waterproof membrane is of high elasticity with best performance among high polymer waterproof material, it's made of ternary ethylene-propylene rubber. It's use of the most advanced continues extrusion and vulcanization technology and related equipments which are specially designed for production of such product. Product Feature Good Anti-perforated; Convenient for dealing with details; Convenient maintenance, low cost; Convenient application, solid joint, no environment pollution; Excellent anti-aging performance, service life up to 50 years; Chemical corrosion resistance, can be used for special occasions; High extension rate, high tensile strength, small size changer at heat treatment; Good plant roots penetrability resistance and can be made waterproofing layer of planting roof; Good low temperature flexibility, and good performance of adapting to ambient temperature changes; Special modified molecular structure, effectively resolving the current domestic and foreign glue joint problem; Application / Models Widely used in roofs, basement, toilet, swimming pool, and all kinds of industry and civil building waterproofing, reservoir, bridge, underground, tunnel and dam waterproofing, especially to the keystone waterproofing projects which is durability, high corrosion resistance and easy deformation.