... compounded polymer materials as its main waterproof . PP&PE compound waterproofing membrane Detailed Product DescriptionMade by polythene ... Two layers of coarse non-woven cloth for strengthening protection and adhesion make it have big ... for waterproofing of roofs, basements, ground, indoor floor, toilets, ponds, reservoirs, tunnel, bridges and anti-pollution in metallurgy, chemical industry etc. PP&PE ...