Specifications: Polyester mat is a kind of advanced waterproof material, which effects by inosculating with asphalt. Polyester mat has been widely used in many fields, such as roofing, underground project, bridge surface, waterproof of tank and antiseptic material for building base. Polyester mat has good tensibility, ductibility and high strength for preventing thrust, anti-aging, and anticorrosion.It is an idea base material for SBS or APP waterproof membrane.