外墙防水的砌筑要求
Masonry requirements of exterior wall waterproof
批灰前应检查墙体孔洞，封堵在墙身的各种孔洞，不平整处用1：3水泥砂浆找平，如遇太厚处，应分层找平，或挂钢筋网，粘结布等批灰，另对脚手架塔吊施工电梯的拉结杆等在外墙留下的洞口应清理干净，用素水泥浆扫浆充分，再用干硬性混凝土分2次各半封堵，先内后外，充分捣固密实，水落管卡子钻孔向下倾斜3-5°，卡钉套膨胀胶管刷环氧检查井钢模具 隔离墩模具 隔离墩钢模具 流水槽模具 U型槽模具 螺杆启闭机 卷扬式启闭机 铜雕佛像 树脂嵌入，严禁使用木楔。混凝土剪力墙上的螺杆孔应四周凿成喇叭口，用膨胀水泥砂浆塞满，再用聚合物防水浆料封口，封堵严密。
Before plastering, the wall holes should be checked and sealed. The uneven parts should be leveled with 1:3 cement mortar. If it is too thick, it should be leveled layer by layer or plastered with steel mesh and adhesive cloth. In addition, the holes left on the external wall by the tie rods of the scaffold tower crane construction elevator should be cleaned up, and the plain cement slurry should be used to sweep the holes, and then the dry hard concrete should be used to block the holes in two times, First inside and then outside, fully tamp and compact, and drill the downpipe clamp downward for 3-5 °， The expansion hose of the clip sleeve shall be embedded with epoxy resin, and the use of wooden wedge is strictly prohibited. The screw hole on the concrete shear wall should be chiseled into a bell mouth, filled with expansive cement mortar, and then sealed with polymer waterproof slurry.