在家装防水施工之前，必须对基层进行处理，达到基层表面平整、坚实、干净、无浮灰和油污。
Before the waterproofing construction of home installation, the base must be treated to achieve a smooth, solid, clean, free of floating ash and oil stain on the surface of the base.
处理方法：仔细清扫基面去除浮尘，并去除水泥结块和松动基层；对管根、排水孔、阴阳角、墙面水电改后留下的空洞等部位进行特殊处理。处理完毕后用毛刷细扫基面遗留灰尘，取适量防水涂料稀释至牛奶状，用滚筒蘸取稀释后的材料至下而上，先墙后地涂刷防水面，做到彻底除尘。
Treatment methods: carefully clean the base surface to remove floating dust, remove cement caking and loosen the base, and carry out special treatment on the pipe roots, drainage holes, Yin and Yang angle, the holes left behind by the wall hydropower reform. After the treatment, clean the dust left on the base surface with a brush, dilute the waterproof paint to milk shape, dip the diluted material in a drum to the bottom and up, then paint the waterproof surface after the wall, so as to completely remove the dust.