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Go upstairs and take a look, seeping through the pipes.
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It's better to attach drawings, you don't say it too clearly.
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Go upstairs and check that there may be water seeping through other pipes. Hope it helps.
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If the floor is low, you check that it may be poorly ventilated.
The sanitary partition wall is an exterior wall that does not need to be waterproofed, but the floor and wall in the bathroom must be done, and the waterproof construction must be done by professionals. Prevent water leakage into the wall of the downstairs or next room.
It should be the bathroom for long-term use of water seepage, and the decoration was not waterproof.
The specific floor plan is sent out to see.
My neighbor built a pit on the side of the road in my house, covered it with cement slabs, and the road in front of my house was only 3 meters, so it was difficult for my family to drive out.
The bedroom should not be too large, preferably no more than twenty square meters.