反碱,一般是材料或施工用的水中含有钙酸盐成分造成的。在天气潮湿,空气不流通时,墙内的钙酸盐成分起化学反应所致。一般治愈的办法是在工程施工时,或装饰前,用白醋、草酸、或者盐酸将墙体清洗,以中和其钙酸盐成分。具体步骤如下:
1、准备修补墙面的工具,如刷子,清洁球,塑料桶等。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/cb8065380cd79123f6d05a13a3345982b2b780a1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、用铲刀将反碱部分周围的腻子铲去,一直铲到铲不动为止,必须要彻底铲干净。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/71cf3bc79f3df8dc680f41f6c311728b471028a3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、选择合适的抗碱剂,按说明进行调制。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a8cd8f76e6c51349540923766c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、将抗碱剂用毛刷刷在墙面反碱位置,注意手腕用力,避免留有细孔。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/279759ee3d6d55fb9ec7b84163224f4a20a4dd50?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、等抗碱剂干后在刷上腻子,最后等腻子干后补上油漆即可。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5d6034a85edf8db15e00b2030723dd54564e74af?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)