Self Adhesive Polymer Modified Bitumen Waterproof Membrane with Polyester Fiber(BAC waterproof membrane)
 BAC waterproof membrane is a modified bitumen base sheet consisting of polymer modified asphalt added viscosifier inside covering with different upper separated materials and underside with silicone antisticking layer. According to different upper surface, it includes three types: PE film surfacing, sand surfacing and antisticking surfacing.