反碱,一般是材料或施工用的水中含有钙酸盐成分造成的。在天气潮湿版,空气不流通时权,墙内的钙酸盐成分起化学反应所致。
一般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/5d6034a85edf8db15b79b71a1923dd54564e747d?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/9825bc315c6034a8d0b573ffdb1349540923767d?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/bd315c6034a85edf02db355d59540923dd54757d?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/e1fe9925bc315c60b9c2a0919db1cb134954777d?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/2cf5e0fe9925bc31d00acae64edf8db1cb13707d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
本回答被网友采纳