External wall system repair method

The invention relates to an external wall system repair method and belongs to the technical field of building construction. The method comprises the steps that after an external wall is preprocessed, the positions of wall keels are verified and marked; isolating bars are arranged transversely along a wall body, and meanwhile, the wall body is coated with a waterproof breathable film; after aluminum alloy parts are mounted and fixed, G/1 bars and XPS plates are paved from bottom to top, and then network cloth plastering is performed; and finally, vertical deformation joints are arranged in the horizontal direction. The external wall system repair method is applied to external wall repairing, and has the advantages of reliable anchorage, double-layer waterproofness and the like. 本申请涉及种外墙系统修补方法，属于建筑物构建技术领域。对外墙进行预处理后，探明墙体龙骨位置并标出，沿墙体横向设置隔离条，同时涂覆防水透汽膜，安装铝合金件固定后，自下而上铺装G/1条和XPS板，然后做网络布抹灰处理，最后在水平方向上设竖向变形缝。将本申请应用于外墙修复，具有锚固可靠、双层防水等优点。