一、前言屋面是建筑物的重要组成部分,屋面防水工程则是长期以来人们关注的大问题。由于地理位置不同,气候变化不一,而气候对屋面的影响是很大的。阳光、温度、雨水、霜雪、冻融等作用,直接危害防水材料的耐久性。有时因施工不当,或防水材料本身的欠缺,导致一些屋面当年竣工,当年漏水,甚 I. INTRODUCTION Roofing is an important part of a building. Roofing waterproofing is a major concern for a long time. Due to different geographical locations, climate change is different, and the impact of climate on the roof is great. Sunlight, temperature, rain, frost, snow, freezing and thawing directly affect the durability of the waterproof material. Sometimes due to improper construction or lack of waterproof materials, some roofs were completed that year, leaking water, and even