HDPE waterproofing membrane(Non-asphalt-based,self-adhesive) is the company adopts innovative technology, mainly made of HDPE resin sheet, directly coated on the surface of extruded sheet Non-pitch polymer macromolecule hot-melt adhesive and sand anti-adhesive layer (or release film) ,is a polymer self-adhesive waterproofing membrane that is extruded at one time. The coil material has pre-shopped anti-sticking properties and can be integrated with self-waterproofing of concrete structures.