Self-adhesive Polymer Modified Asphalt Waterproofing Membrane Without Substrate Product Introduction Fiberless self-adhesive polymer modified asphalt waterproofing membrane ( N), a flexible cold-applied waterproofing material fully compliant with the national standard 23441-2009. It is made of high-quality polymer asphalt as the core base material, modified by adding special tackifiers. The surface is covered with polyester film (PET polyethylene film (PE) or aluminum-plated