Product: HDPE self adhesive waterproof membrane. Thickness : 1.2mm / 1.5mm / 2.0mm. Width: 1~3 meters. Application: Basements, subways, tunnels, pools, ramps and other parts of the roof and flat roof waterproofing, especially for the special circutances that require high waterproofing works; planted green roof; underground gas, methane and