1.pvc roofing membrane 2.Thickness:1.0mm,1.20mm,1.50mm,2.0mm ... 3.good strechbility, waterproof, anti-aging 1.pvc roofing membrane 2.Thickness:1.0mm,1.20mm,1.50mm,2.0mm ... . DIN 16734 4. for roof,tunnelpvc roofing membrane1.Item:Pvc waterproofing membrane 2.Specification:1.0mm, 1.20mm, 1.50mm, 2.0mm ... in cold Water Impermeability Best weldability high quality PVC roofing membrane