PTFE-coated or laminated fiberglass materials are widely used for roofing structures because of their special features, such as rigidity, non-flammability, self-clean, permeability and UV resistance, long using life more than 25 years . Now this form of roofing has also become accepted in Western countries. Similarly, PTFE-coated fiberglass fabrics are frequently used in public buildings decoration purposes and for roofing structures. Such as gymnasium roof, airport hall, center of exhibition, and platform.