... waterproof membrane width:2.05m thickness: 1.2mm,,1.5mm,,2.0mm PHYSICAL PROPERTY 1. good combination of high eladticity and tensile strength 2. fire -resistance ... planting roofs 7 fine puncture resistance ,joint peel strenghth and joint shear streagth 8,fine UV-resistance ,no pollution ... 10,easy treatments to the delicate parts of corners and edges 11.convenient maintenance with low cost PVC membrane ...