"Tianhai" TPO (thermoplastic polyolefin) waterproofing membrane adopts advanced polymerization technology, a thermoplastic polyolefin synthetic resin combining ethylene propylene rubber and polypropylene as raw material, and a new waterproof material made of antioxidant, softener and the like. . The product has anti-aging, high tensile strength, large elongation, no need for protection, and convenient construction.