外墻抹灰是建筑施工中不可或缺的一個非常重要的環節，它也是能夠直觀體現建筑質量的重要標志，所以在外墻抹灰的材料上也是尤為重視的，那么外墻抹灰一平方用砂漿多少？外墻抹灰施工要求是什么？一、外墻抹灰一平方用砂漿多少？外墻抹灰用多少砂漿其實跟厚度有關，譬如：墻面抹灰計量單位如果是是100m2，定額編號就是11-2水泥砂漿14＋6（其實就為抹灰厚度的20左右），若是100m2則都是用水泥砂漿1∶3為1.616m3（1.616的m3÷100m2那么就等于0.01616m3/m2），100m22用水泥砂漿1∶2.5為0.693m3（0.693m3÷100m2＝0.00693m3/m2），水泥砂漿1∶3＋水泥砂漿1∶2.5＝0.01616m3/m2＋0.00693m3/m2＝0.02309m3/m2。外墻1平米抹面用0.02309m3砂漿（已包括了施工損耗）。

　　External wall plastering is an indispensable and very important part of construction, and it is also an important symbol that can intuitively reflect the quality of the building. Therefore, the material for external wall plastering is particularly important. So, how much mortar is needed for one square meter of external wall plastering? What are the requirements for exterior wall plastering construction? 1、 How much mortar is needed for one square meter of exterior wall plastering? The amount of mortar used for exterior wall plastering is actually related to its thickness. For example, if the unit of measurement for wall plastering is 100m2, the quota number is 11-2 cement mortar 14+6 (which is actually about 20% of the plastering thickness). If it is 100m2, cement mortar 1:3 is used, which is 1.616m3 (1.616 m3 ÷ 100m2 equals 0.01616m3/m2). If it is 100m22, cement mortar 1:2.5 is 0.693m3 (0.693m3 ÷ 100m2=0.00693m3/m2). Cement mortar 1:3+cement mortar 1:2.5=0.01616m3/m2+0.00693m3/m2=0.02309m3/m2. 0.02309m3 mortar (including construction losses) is used for plastering the exterior wall of 1 square meter.

　　二、外墻抹灰施工要求

　　2、 Construction requirements for exterior wall plastering

　　1、基層處理：如果是混凝土基層，要在表面上加上一層1:1稀粥狀水泥砂漿，里面摻有20%的107膠，用以表面凝固，混凝土與磚墻的一個連接處，可以布置鋼網，一般寬度大概為300mm，網孔規格10mm×10mm，布置前要清除浮灰和其它雜質，鋼絲網要平整并繃緊。

　　1. Base course treatment: if it is a concrete base course, a layer of 1:1 gruel like cement mortar shall be added on the surface, which is mixed with 20% 107 glue for surface solidification. A joint between the concrete and the brick wall can be arranged with a steel mesh, generally about 300 mm wide, with mesh size of 10 mm × 10 mm. Before arrangement, floating ash and other impurities shall be removed, and the steel mesh shall be flat and tight.

　　2、直、套方的規矩：然后按墻面上已經彈出的基準線，分別在門窗口角、垛以及墻面等處吊垂直，套方抹灰餅。并按灰餅充筋，以墻面上充筋來控制墻面的平整。

　　2. The rules of straightness and squaring: Then, according to the reference line that has already been marked on the wall, hang vertically at the corners of doors and windows, stacks, and walls, and apply square plastering cakes. And fill the gray cake with reinforcement to control the flatness of the wall surface.

　　3、抹底層砂漿：應分層分遍與所充筋抹平，并用大杠刮平找直，木抹子挫毛，第一層12mm厚，1:2.5水泥砂漿。

　　3. Bottom layer mortar application: It should be layered and leveled with the filled reinforcement, and leveled and straightened with a large bar. The first layer should be 12mm thick and made of 1:2.5 cement mortar with a wooden trowel.

　　4、抹面層砂漿：底層砂漿抹好后，第二天可抹面層的砂漿，面層砂漿大概是8mm厚1:3水泥砂漿；內摻占水泥用3.8%目的防水粉，0.9kg杜拉纖維/m3水泥砂漿，與分格條抹平，并用靠尺板或小杠高爾夫球所抹灰層與分格條刮平，要橫豎刮平，用木抹子挫平。5、滴水線、槽：在檐口、窗臺、窗楣、雨篷、陽臺、壓頂和突出墻面的凸線等上面應做流水坡度，而且在下面也都應該做好滴水線(槽)，流水度以及滴水線(槽)距外的表面，基本上都是不小于40mm，滴水線也都應保證其超向的正確。6、后埋穿過外墻防水層的管道。管道卡在抹灰前固定到位，禁止抹灰后安裝。7、養護：水泥砂漿抹灰層，應在濕潤的條件下養護。以上的這些內容就是小編給大家介紹的關于外墻抹灰一平方用砂漿多少以及外墻抹灰施工的具體要求是什么的全部知識了，相信大家現在對這些問題都了解透徹了吧，希望這些能幫助到有需要的人。

　　4. Surface layer mortar: After the bottom layer mortar is applied, the surface layer mortar can be applied the next day. The surface layer mortar is approximately 8mm thick with a 1:3 cement mortar ratio; Mix 3.8% waterproof powder with cement, 0.9kg Dura fiber/m3 cement mortar, and smooth it with dividing strips. Use a ruler or small golf ball to smooth the plastering layer with the dividing strips horizontally and vertically, and use a wooden trowel to smooth it. 5. Drip lines and grooves: Water flow slopes should be made on eaves, windowsills, lintels, canopies, balconies, ceilings, and protruding walls, and drip lines (grooves) should also be made below. The water flow and the distance from the drip line (groove) to the outer surface should be no less than 40mm, and the drip line (groove) should also ensure its correct direction. 6. The pipeline buried through the waterproof layer of the exterior wall. The pipeline should be fixed in place before plastering, and installation after plastering is prohibited. 7. Maintenance: The cement mortar plaster layer should be maintained under moist conditions. The above content is all the knowledge introduced by the editor about how much mortar is needed for one square meter of exterior wall plastering and the specific requirements for exterior wall plastering construction. I believe everyone now has a thorough understanding of these issues, and I hope these can help those in need.

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