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How waterproof is the bathroom? Can I see traces of water leaks on the roof below? If not, then the problem is smaller.
If the pressure reduction is within a reasonable range (according to the pipe volume, pressure size, pressure holding time), it is considered to be the toilet backwater, the squatting toilet is mainly the place where the rear flush and the drainage pipe interface are located, and the toilet is mainly the drainage outlet. Because I wasn't there, I can only say that, and I still have to rule it out by yourself.
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There's a good chance it's a cracked pipe! It's best to fix the floor tiles!
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Find your plumber master when you used to decorate, and you can understand it at a glance. Probably the problem that the water pipe connection is not connected properly.
The water valve is broken, and there may be a quality problem as well. The landlord can go to the property management office to explain the problem, and the staff will find a professional master to repair it.
Is there a small amount of leakage in the inlet pipe? Is there a tiny leak in the waterproof part of the bathroom floor? >>>More
The warranty period of commercial housing is at least 48 years, and the wall cracks in two years, and the developer must be responsible for repair.
There are two reasons to come.
One is the tile source. >>>More
It's not a problem with decoration, it's a large temperature difference, which breaks the pipe and breaks it in the wall. >>>More