防水材料是建筑物的围护结构要防止雨水、雪水和地下水的渗透;要防止空气中的湿气、蒸汽和其他有害气体与液体的侵蚀;分隔结构要防止给排水的渗翻。这些防渗透、渗漏和侵蚀的材料统称。
Waterproof material is the building envelope to prevent the infiltration of rainwater, snow water and groundwater; to prevent the air moisture, steam and other harmful gases and liquid erosion; the separation structure to prevent the infiltration of water supply and drainage. These impervious, leaky and erosive materials are collectively called.
防止雨水、地下水、工业和民用的给排水、腐蚀性液体以及空气中的湿气、蒸气等侵入建筑物的材料。建筑物需要进行防水处理的部位主要是屋面、墙面、地面和地下室。
Materials that prevent rainwater, groundwater, industrial and civil water supply and drainage, corrosive liquid, and moisture and steam in the air from intruding into the building. The main parts of the building that need to be waterproof are the roof, wall, ground and basement.