外墙面渗漏是建筑工程常见的质量通病之一,外墙渗漏直接影响室内装修,造成装饰材料的脱落、霉变,而且修复比较困难,修复费用较大。1.外墙面渗漏原因(1)砌体砌筑质量较差。水平灰缝砂浆饱满度不足80%,竖缝出现透明缝等,使砖墙内存在渗水通道。(2)穿墙洞、脚手眼嵌补不密实。砖混结构砖墙砌筑时预留支模用的穿墙洞及脚手眼,抹灰前嵌补施工方法不当,洞内未作清理、湿润,用干砖塞入,松动砖抹灰后有裂 Exterior wall seepage is one of the common quality common faults in construction. The external wall leakage directly affects the interior decoration, resulting in the falling off and mildew of the decorative material, and the repair is difficult and the repair cost is relatively large. 1. External wall leakage reasons (1) masonry masonry quality is poor. Horizontal mortar joints less than 80% gray mortar, vertical seams appear transparent seams so that there is water seepage channel within the brick wall. (2) through the wall hole, foot hand eye fill is not compacted. Brick masonry brick wall masonry set aside for the use of wall holes and scaffolding eyes, plaster embossed improper construction methods, the hole did not make clean, wet, dry brick into the loose brick after plastering crack