瓷砖墙面拉毛怎么验收

2025-03-09 08:01:19
推荐回答(1个)
回答1:

一、拉毛及拉毛的作用
墙面水泥浆拉毛:就是通过扫帚或者拉毛滚刷将水泥浆拍打滚刷在墙面,将原有的混凝土或者水泥砂浆找平墙面处理成锯齿状的水泥砂浆结合层。拉毛的作用:将墙面处理成锯齿状之后,墙面的表面面积增加,从而增加了瓷砖背后的水泥砂浆层与墙面的粘接面积,从而让瓷砖粘接的更牢固。
二、湿铺法铺贴墙砖不拉毛或者拉毛质量差容易出现什么问题
墙面拉毛不合格,在后期采用湿铺法铺贴时,容易导致瓷砖粘接不牢固,从而引起瓷砖松动脱落、瓷砖及水泥砂浆和背后的拉毛层一起脱落的问题。
三、拉毛质量的检查方法
但是近些年,我们在参与新房毛坯房验收的过程中,发现很多的拉毛处理存在不合格问题,这种现场也是比较普遍的。总体上而言,拉毛不合格的问题,主要表现在以下的几个方面:拉毛层开裂、拉毛层脱层、拉毛层的毛刺凸起程度差、拉毛层的固化强度差,这些问题的存在,都会导致后期瓷砖的粘接强度,导致瓷砖及瓷砖地下的水泥砂浆脱落的问题。
注意要通过以下几个方面来进行检查:
1、拉毛层固化强度差
检查方法:拉毛层的固化强度:用手摸表面的水泥砂浆锯齿状处理层,如果用手能轻易的抹平处理层的锯齿状的水泥砂浆的话,说明其固化强度不够。
2、拉毛层的毛刺密度小及凸起程度差
检查方法:直接通过肉眼进行观察,拉毛毛刺少,或者毛刺凸起小,都会影响拉毛的效果。拉毛的毛刺起伏以3-5mm为宜。
3、拉毛层是否存在开裂
检查方法:通过肉眼观察,拉毛层表面是否存在着开裂。
4、拉毛层是否存在脱层
检查方法:通过响鼓槌敲击墙面进行检查,在敲击墙面的时候,如果会发处“知啦知啦”的响声,即墙面可能存在脱层的问题。通过存在脱层的,大多也都会同时伴随着开裂的问题,可以通过响鼓槌的尖头部分抠动开裂部分,看是否容易被剥落。
通过检查,如果拉毛存在上述的问题,一定要加以重新处理,以免对后续瓷砖铺贴、日常使用造成影响。本篇文章特别提示:墙面采用水泥砂浆铺贴时,不仅做拉毛有必要,更要检查拉毛质量。
在家庭装修瓷砖施工中,与拉毛作用的类似的工艺还有:扫浆、凿毛处理工艺。其共同点:都有增加瓷砖铺贴牢固性的作用。
使用区域建议:
拉毛:主要是墙面湿铺法铺贴瓷砖适用,对于一些特殊情况,如对为了最低的减小地面铺贴对高度的占用(如入户门的门槛过低,不适合干铺法),也可以采用湿铺法铺贴地砖,但需要对地面预先做凿毛或者拉毛处理。
扫浆:主要针对光滑的地面、或者是地面部分基层存在轻微起砂的情况下适用。
凿毛:凿毛是用一种"斩斧"(注:劈材的斧头)的工具把已经完成的混凝土结构面凿出一条条凹痕的处理工艺,对于墙面水泥砂浆找平层的墙面基层、地面楼板为预制板的情况下,不建议采用凿毛的工艺进行处理。以免在凿毛的过程中,以免引起找平基层松动脱层和预制楼板造成破坏损伤。

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