近年来,北方地区外墙采用面砖装饰的工程越来越多,外墙饰面砖可以美化建筑物外观,防止主体表面腐蚀,延长使用寿命,但是,常常见到一些外墙饰面砖在使用一段时间后往往会不同程度地出现釉面剥落、变色和开裂现象,甚至出现整块脱落现象,那么,外墙面砖为什么会出现上述种种问题?又如何防治呢?据笔者的实践体 In recent years, more and more projects have been performed on the use of face bricks for the external walls of northern areas. Exterior wall facing tiles can beautify the appearance of buildings, prevent corrosion of the main body surface, and prolong service life. However, it is common to see some exterior wall facing tiles used for a period of time. After the occurrence of glazed peeling, discoloration and cracking, or even the phenomenon of monolithic exfoliation, it is often the case that there are various problems in the external wall tiles, and how to prevent it? According to the author’s practice