屋面渗水可谓房屋质量中的顽症,多年来,有关部门作出了些规定,国家也制订了规范,并采取了许多措施,但收效不大。过去,一旦出现屋面渗水,往往从施工、防水材料上找原因,归罪于施工不规范、材料质量差,而很少从设计角度分析研究、采取措施。几年来, Roof water seepage can be regarded as a persistent problem in the quality of housing. Over the years, the relevant departments have made some provisions, the state has also formulated norms, and has taken many measures, but it has had little effect. In the past, once the roof seepage occurred, it was often found from the construction and waterproof materials, due to the non-standard construction and poor material quality, but rarely analyzed and taken measures from the perspective of design. For several years,