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The waterproofing is not done well before tiling (it is possible), and then the pressure test of the water pipe to see if the water pipe has micro-permeability.
The water pipes had to be replaced, and the floor tiles had to be knocked out. There is no waterproofing material that can not knock on the floor tiles. >>>More
Is that a problem? It may be that the master was not serious and responsible enough to deal with the gaps at that time, and he coped with the construction sloppily. No problem.
Hello, ventilation.
Toilets must be kept ventilated. If it is not airy, even if you clean it, there will be a musty smell. >>>More
The smell of formaldehyde, new houses are like this, generally after half a year to live in, otherwise the harm to the human body is too great.
I adopt it for restroom waterproofing newly.
ct-2000 >>>More