PVC waterproof membrane 1).Long life 2).Safe,environment-friendly PVC waterproof membrane1).Excellent physical property with perfect impermeability, high temperature ... for roof construction, subway, bridges, channel tunnel, planted roof, waterproof and drainage system, pools, dam, irrigation system, light steel ... Impermeability(0.3MPa*2h) Impermeable Anti-punchImpermeable PVC waterproof membrane