... of base surface, it’s a kind of 21st century new generation environmental waterproof coating for it can be formed harmless ... rubber waterproof film, it’s also can be used on the wet-based surface.Product features1, Single unit packing, use up at one ... waterproof coating.2, Particularity of Film-forming mechanism, can be used on the wet-based surface completely.3, Composed of pure polyurethane ...