外墙渗漏的危害、成因及防治

随着建筑市场的日益规范，新材料、新工艺的不断推广应用。工程质量得到稳步提高。但不容忽视的是，一些质量通病依然存在，并且严重地影响到使用。文章阐述了导致外墙渗漏的几个主要原因，并就如何处理渗漏提出一些防治措施。

Damage and Cause of Leakage at External Wall and the Prevention

With the gradual standardization of building market and continual coming out of new materials and techniques,engineering quality has got a steady increase.But what cannot be neglected is that some common quality defects still exist and affect the building structure.The paper elaborates on the causes of leakage at external wall and hereby puts forward some preventive measures.