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1 前言 我国目前普遍采用的沥青卷材屋面防水工程中,防水层漏(渗)水现象已成为最突出的问题。根据有关部门调查统计,当年竣工的建筑物渗漏率就达35%左右,国家每年用于房屋渗漏维修的费用相当惊人。这种情况极大地促进了各类优质的防水材
1 Foreword China’s current widespread use of bituminous membrane roof waterproofing projects, waterproof layer leakage (seepage) water phenomenon has become the most prominent problem. According to the survey statistics of related departments, the leakage rate of buildings completed in the year was about 35%, and the cost of the country’s annual leakage repairs for housing was quite alarming. This situation has greatly promoted all kinds of high-quality waterproof material