corrugated asphalt waterproof board is mainly used for building roofs, and its materials are mainly specially modified asphalt particles and polyvinyl chloride. Tiandao corrugated asphalt waterproof board is one of the roofing waterproof materials, and it is a corrugated ventilation, heat insulation and waterproof board suitable for sloping roofs. This product takes specially modified asphalt particles and PVC as main raw materials and adopts high temperature extrusion process. This product makes up for the shortcomings of similar products in Qikou, such as low fire rating, poor heat resistance, high water absorption, etc., and also has excellent load resistance and aging resistance, thus making this waterproof material with ventilation and heat insulation functions have a wider application. In use, Tiandao corrugated asphalt waterproof board adopts dry construction technology, which has the advantages of ventilation, dehumidification and heat insulation, simplified roof layer, short construction period, etc. It can be matched with high-quality ceramic tile, cement tile, slate tile, metal tile and other tiles to form a "three-dimensional waterproof+drainage prevention" roof system, which greatly improves the roof life and service quality of buildings. The products have passed the tests of the National Chemical Building Materials Testing Center. Normal products can provide a 3-year quality guarantee.