外墙抹灰是建筑施工中不可或缺的一个非常重要的环节，它也是能够直观体现建筑质量的重要标志，所以在外墙抹灰的材料上也是尤为重视的，那么外墙抹灰一平方用砂浆多少？外墙抹灰施工要求是什么？一、外墙抹灰一平方用砂浆多少？外墙抹灰用多少砂浆其实跟厚度有关，譬如：墙面抹灰计量单位如果是是100m2，定额编号就是11-2水泥砂浆14＋6（其实就为抹灰厚度的20左右），若是100m2则都是用水泥砂浆1∶3为1.616m3（1.616的m3÷100m2那么就等于0.01616m3/m2），100m22用水泥砂浆1∶2.5为0.693m3（0.693m3÷100m2＝0.00693m3/m2），水泥砂浆1∶3＋水泥砂浆1∶2.5＝0.01616m3/m2＋0.00693m3/m2＝0.02309m3/m2。外墙1平米抹面用0.02309m3砂浆（已包括了施工损耗）。

　　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、外墙抹灰施工要求

　　2、 Construction requirements for exterior wall plastering

　　1、基层处理：如果是混凝土基层，要在表面上加上一层1:1稀粥状水泥砂浆，里面掺有20%的107胶，用以表面凝固，混凝土与砖墙的一个连接处，可以布置钢网，一般宽度大概为300mm，网孔规格10mm×10mm，布置前要清除浮灰和其它杂质，钢丝网要平整并绷紧。

　　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、套方的规矩：然后按墙面上已经弹出的基准线，分别在门窗口角、垛以及墙面等处吊垂直，套方抹灰饼。并按灰饼充筋，以墙面上充筋来控制墙面的平整。

　　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、抹底层砂浆：应分层分遍与所充筋抹平，并用大杠刮平找直，木抹子挫毛，第一层12mm厚，1:2.5水泥砂浆。

　　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、抹面层砂浆：底层砂浆抹好后，第二天可抹面层的砂浆，面层砂浆大概是8mm厚1:3水泥砂浆；内掺占水泥用3.8%目的防水粉，0.9kg杜拉纤维/m3水泥砂浆，与分格条抹平，并用靠尺板或小杠高尔夫球所抹灰层与分格条刮平，要横竖刮平，用木抹子挫平。5、滴水线、槽：在檐口、窗台、窗楣、雨篷、阳台、压顶和突出墙面的凸线等上面应做流水坡度，而且在下面也都应该做好滴水线(槽)，流水度以及滴水线(槽)距外的表面，基本上都是不小于40mm，滴水线也都应保证其超向的正确。6、后埋穿过外墙防水层的管道。管道卡在抹灰前固定到位，禁止抹灰后安装。7、养护：水泥砂浆抹灰层，应在湿润的条件下养护。以上的这些内容就是小编给大家介绍的关于外墙抹灰一平方用砂浆多少以及外墙抹灰施工的具体要求是什么的全部知识了，相信大家现在对这些问题都了解透彻了吧，希望这些能帮助到有需要的人。

　　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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