​In the European and American countries, most of the color steel plate projects use single-layer coil construction roofing systemwith structure of waterproofing, thermal insulation, moisture resistance, air isolation, drainage and other roofing system above the base layer. This system can reduce the roof structure, saveresources, improve work efficiency, reduce costs, reflectintegrated roofing system with energy-saving, emission reduction, waterproof and thermal insulation.

As we all know PVC waterproofing membrane is based on polyvinyl chloride resin, adding a certain amount of plasticizer, anti-aging agent, stabilizer, and other processing aids once.