Even the roof exposed, exposure to the sun is not a problem, because the waterproofing membrane is to be done on top of the protective layer, insulating layer, rather than direct it waterproof layer is disposed in the open air; the former roofing main waterproof layer construction, should first concentrate on the drain and structure complex detail node sealing process and an additional layer of paste. Polypropylene waterproofing membrane. Coil thickness: 1.5 mm sheet 0.6,0.7,0.8,0.9,1.0,1.2 and weight: 300g, 350g, 400g, 500g, 600g Width: ≥1000㎜ length: 50m, 100m. Polypropylene Polyester Polypropylene | Tianxiang waterproof Shouguang | polypropylene specifications are provided by Shouguang City Tianxiang waterproof material plant. Polypropylene | Tianxiang waterproof Shouguang | Polypropylene specifications Shouguang City Tianxiang waterproof material plant (www.txfscl.com) this year introduced a new upgrade, the above picture is for reference only, please call the telephone or pictures on this page, for the latest information Contact: Zhang Guang.