Baoluyuan edge slope roof ventilation, heat insulation and waterproof material, which is made of plant fiber impregnated with asphalt under high temperature and pressure. Its patented one-time molding technology of tire base and 21 wave / M wave density ensure that the plate is dense and thick, with excellent waterproof performance and high compressive strength. Baoluyuan edge waterproof board has an average thickness of 2.6mm and an average weight of 6.5kg/sheet (3.2kg/m2) to ensure the reliability of waterproof. Therefore, Baoluyuan edge company provides 25 year quality assurance.

It can work completely dry, ventilate, dehumidify and insulate heat, simplify the roof layer, adapt to the construction site under various weather and conditions, and resist trampling and external force damage; It is matched with various ceramic tiles, cement tiles, slate tiles, metal tiles, etc., forming a roof system of "three-dimensional waterproof" and "combination of prevention and drainage", greatly improving the quality of the building. A total of 500000 square meters of sloping roof project has been completed.