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Neither approach is right. The caisson toilet needs to be drained and waterproofed twice, and the use of JS waterproofing in the caisson is ineffective.
The waterproof paint of the bathroom must be brushed, and the wall must be brushed from the ground, and the water should be soaked for 48 hours after completion to check whether there is water seepage.
It is necessary to paint the wall before painting waterproofing. >>>More
I really don't, because my colleague's family is going through such a thing, and it's better to find someone with good skills.
Generally speaking, the bathroom will not use a large area of waterproof cloth, because there are many irregular structures in the bathroom, such as pipes and chamfers, etc., which will increase the difficulty of the construction of the waterproof cloth, and the waterproof cloth does not have adhesion, and it is easy to infiltrate in the humid environment of the bathroom. >>>More
Dig the best permeable waterproofing can be done by yourself. >>>More