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Yes, if the bathroom waterproofing is not done well, it will have a great impact on the upper and lower drainage, especially if the bathroom has a shower, if it is not waterproofed, it will have a great impact on the wall for a long time.
Dig the best permeable waterproofing can be done by yourself. >>>More
What materials did you use to waterproof your bathroom? If it is a waterproof coating or mortar waterproofing agent, then you can not knock off the non-brushing, you only need to knock off the tile to expose the cement base. Then sweep the base surface and sprinkle it with water to moisten. >>>More
It is said that it is only waterproof.
In fact, it is necessary to dig up the current bathroom porcelain tiles. >>>More
1. Clean the surface and the base layer of the bathroom, including dust, sand, cement, etc. >>>More
Yes, but it is better to make meters for bathroom waterproofing.