High-Strength PET Nonwoven Fabric for Roofing and Basement Waterproofing Product Overview Our PET nonwoven fabric is made from high-quality polyester fibers and produced by spunbond and needle-punched technology. It is mainly used as a carrier/base mat for SBS/APP modified bitumen waterproofing membranes, roofing felt, underground waterproofing, bridge deck waterproofing and other construction waterproofing systems. The fabric provides high tensile strength, good elongation,