平屋面是当前屋面构造的一种主要形式。它与坡屋面相比,具有施工简便,节约木材,减少空间高度,提高建筑耐火等级,造价比较低廉等优点,因此在工业与民用建筑中得到广泛的应用。近十年来,这种平屋面已在农村中开始大量推广。众所周知,屋面的主要功能应是防水,其次是根据使用条件不同有隔热、隔汽、防潮及 Flat roofing is a major form of current roofing construction. Compared with sloping roof, it has the advantages of simple construction, saving of wood, reducing space height, improving the fire-resistant rating of the building, and relatively low cost, so it is widely used in industrial and civil buildings. In the past ten years, this type of flat roof has begun to be widely promoted in rural areas. As we all know, the main function of the roof should be waterproof, followed by heat insulation, steam insulation, moisture protection and