寒冷地区水刷石脱落的防治本刚石脱臼的原因：（Ｉ）设计考虑不周。建筑物立面凸线是为了建筑的美观而设置，这条凸线往往和窗台外侧相平，并且凸线上表面又都设计成平的或有微小坡度。凸线上表面外粉的收缩会产生微裂纹，特别是窗台外侧部位，比较严重。当雨水落到凸线上... Prevention of Stone Sheath Falling in Cold Area Reasons for the Dislocation of this Stone: (I) Inadequate design. The façades of building facades are set for the aesthetics of the building. The embossing lines are usually even with the outside of the window sill, and the surface of the embossed lines are all designed to be flat or have a slight slope. The shrinkage of the powder on the surface of the convex line will produce micro cracks, especially on the outside of the window sill, which is more serious. When the rain falls on the convex line...