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The wall of the bedroom against the side of the bathroom is moldy, and the water and heating pipes are fine after being suppressed
Got too much for the topic? 1. The bathroom waterproofing is not done well; 2 upstairs? 3 sewer pipes!
Most of them are caused by a leak somewhere, and the amount of water is not large, or it is very small, but it leaks along the water pipe, causing mold.
Load-bearing walls are OK, and wall cabinets are not metal weights. >>>More
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There are two drains in the bathroom. The thin pipes are the ones that exhaust odors. He kept going to the roof. If he doesn't get through, he tends to smell back. You can tell you clearly, the pipes above are out of line.
Check if there is any internal plumbing problem, if not, it may be a problem with the waterproof layer. It is recommended that this wall be waterproofed to make it full high!