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You can find them to compensate, I'm in Beijing, doing steel structure attic, look at my username.
It's a leak around the water pipe, and you didn't do a good job of waterproofing it when you renovated the upstairs, so when you use water, it flows down from the floor to the water pipe.
Guangdong lawyer Hu:
Illegal, your renovation is an illegal building, the urban management department is in charge of this, once found, it will be fined. >>>More
The most troublesome thing about a water leak is to check for the leak,and if you really find the leak,it s easy to fix.If it is true that the connect
Not troublesome. It is recommended to knock out the surface structure around the roof ventilation ducts to the concrete floor slab here, and then apply JS waterproofing paint. After drying, the surface can be restored.
Hehe, it's not to open up your floor slab, it's okay It's generally just a matter of pulling and popping screws to fix your ceiling material It's okay I've been doing this for more than 10 years, and I haven't seen what you're worried about Unless there is a leak on the roof