我工区自70年7月份学习外地及兄弟单位先进经验的基础上,在建筑工程上推行乳化沥青玻璃丝毡屋面防水层新技术,共推行了十四个幢号,18,833平米(屋面面积)。经过两年多的使用,有一些工程发生了一些渗漏现象。最近作了一次调查,由于屋面防水层产生裂缝漏雨的,有五个幢号,3,076平米,其中两个幢号724平米,设计上只考虑了一层 In July of the same year, based on learning the advanced experience of the field and its brethren in July of the year 70, the project has implemented 14 new blocks of new technology for emulsified asphalt glass fiber mat roof waterproofing in construction projects, with a total area of ​​18,833 square meters (heading area). After more than two years of use, some projects have experienced some leakage. Recently, a survey was conducted. Due to cracks in the roof waterproofing layer, there were five blocks, 3,076 square meters, of which two blocks numbered 724 square meters. Only one layer was considered in the design.