1.Plastic drainage board 2.Made of PVC 3.Strong drainage capacity 4.Soundproofing, waterproofing and dampproofing Plastic drainage board taking PVC as main materials, and adds some anti-aging, anti-oxidation ,anti-ultraviolet and other enhanced additives, then shaped by extrusion molding. We can weld it in any length and width as customer’s request. According to the principle of excess pore water ...
