... : 1-2mm CE/ISO9001 PVC Waterproof Sheet Production Line DescriptionPVC waterproof sheet production line is used to produce PVC waterproof sheet, which ... with fiber, named: Class L. 3. PVC Membrane inner reinforced with polyester scrim layer, named: S 4. PVC Membrane ... , channels, subways, highways, planting roofs, the roofs of steel Frame structure buildings, and etc1. Question: Are you the manufacturer ...