随着国家经济建设的发展和人们生活水准的逐步提高 ,改善生活环境 ,美化城市景观 ,提高城市品味 ,已摆上了杭州市政府的议事日程。据调查 ,已建的住宅刚性屋面渗漏率高达 70 % ,而坡顶屋面的渗漏率只有 1 0 %左右 ,实践证明 ,坡屋面除防渗外 ,其保温隔热、美观等功能 ,均比刚性 With the development of national economy and the gradual improvement of people’s living standards, improvement of living environment, beautification of urban landscape and improvement of urban taste, the agenda of Hangzhou Municipal Government has been put on the agenda. According to the survey, the built-in residential rigid roofing leakage rate as high as 70%, while the roof roof leakage rate of only about 10%, practice has proved that, in addition to slope roof seepage, its thermal insulation, aesthetics and other functions are More than rigid