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The perimeter of the pipe is the most likely place to leak, if you use mortar waterproofing agent, you need to make an R angle, if you use waterproof coating, you must do reinforcement treatment.
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If it is in the floor drain down the pipe is not easy to deal with, the best way is to do a new waterproofing, do a good job of water for 24 hours to see if there is leakage.
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Black Mamba, imported from Germany.
Pipe groove? Brush the wall? What are the benefits?
Personally, I don't think it's any good and there's no harm. The answer is that it doesn't matter if you brush it or not. >>>More
1.If the material of the sewage pipe is PVC, it is best to buy an elbow like it and replace it. >>>More
In your case, of course, you pay for the repairs yourself. >>>More
Doesn't matter. Because in the end you have to stick the wall tiles.
If your bathroom has not been decorated for more than a year, you should find a developer to repair it through the property. If you have decorated before, you should find a decorating company. But I don't know if you have asked the decoration company to do the bathroom waterproofing. If you haven't done it, you'll have to deal with it yourself.