Glass fiber waterproof Mat is a good substrate for making SBS and APP modified asphalt waterproof rolls and colored asphalt fiberglass tiles. Due to the longitudinal reinforcement of the entire Mat/ Veil, the longitudinal tensile strength and tear resistance of the mat are fully improved. The asphalt felt made from the glass fiber waterproof Veil series can overcome the drawbacks of high moisture flow, low temperature brittleness, and easy aging of the felt, making it excellent in weather resistance, enhanced in permeability resistance, and extended in service life. Therefore, it is an ideal substrate for roofing materials such as asphalt felt. At the same time, the fiberglass waterproof felt series can also be used as a backing material for the insulation layer of houses.