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Anonymous users2024-01-23In most cases, there is a leak in the bathroom on the fourth floor, and the waterproofing is not done. In a few cases, more than 5 layers are leaked. Find a property, or ask an insider to look for it layer by layer.
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Anonymous users2024-01-22Rainwater? Or is there water vapor in the bathroom every day? And then your hole is sloping inward? Is the water pouring in?
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Anonymous users2024-01-21The waterproofing of the upper layer is not done, you must find him to do the waterproofing of his home, and find a professional master to diagnose it!
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Anonymous users2024-01-20You should still find a professional knowledge in this area to show you, or it will be very troublesome. Ziyunxuan Chinese design agency.
This should belong to the same level drainage system, such a design is okay.
Before being processed by a friend upstairs, you go to the hardware and souvenir store to buy a bucket of hydrochloric acid, dilute it, pour it into the sewer pipe, and all the connections are sealed, and you're done.
You said that the waterproof layer of your home is very good, and the exterior wall of the downstairs bathroom is moldy, you can see from the exterior wall whether the exterior wall you want to even have is moldy! If there is no problem with the exterior wall of your bathroom, then it should be the problem of your own bathroom downstairs (including weather problems), and the mold of the exterior wall may be due to the fact that the waterproof layer of the civil construction is not done!
I think it's better to remove the original bricks for two reasons. >>>More
Is the leaking water hot? If not, ask your downstairs neighbor to open the bathroom ceiling and check for leaks in your house's sewer pipes (on the roof of your downstairs' neighbor's bathroom).