White Polyvinyl Chloride (pvc) Waterproof Roofing Membrane For Planted Roofs Product Features The PVC waterproof membrane specially for planting roofs is formulated on basis of ordinary inner-reinforced PVC membranes, with special root-resistant chemical additives meeting national standards added. It has passed special root-resistant puncture test by national authoritative institutions, and will not get damaged and leak under the long-term puncture effect of plant roots. The