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Find the developer, who sells to you and whom, as for whether it is a quality problem, look for them to see if it can be explained clearly, because the building structure and framework are different, it is difficult to say whether this is a quality problem, and you can ask the surrounding neighbors.
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This kind of problem should be found by the developer, and it is better to solve it and then decorate.
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The floor heating can be inflated and pressed for the test, and the toilet can be directly drained for 24 hours to observe whether there is leakage.
There is no smell on the living room wall of the newly delivered house, and there is a smell of glue on the bedroom wall, you can directly complain.
Normal, because the living room is relatively large! Therefore, the thickness of the floor slab is a few centimeters thicker than that of the average bedroom and dining room, which is normal!
How long and deep.