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Anonymous users2024-01-24This is going to look for the decoration master, it may be that the upstairs waterproofing is not done, and it is very troublesome in the later stage.
As long as there is a trap to seal the odor, the smell coming out of the back of your toilet may be due to the gap between the toilet and the ground is not sealed, you can consider using glass glue to make another circle along the gap around it. Then check whether there is any crack in the toilet, if not, the gap between the toilet and the ground is not sealed.
This is not to say that the smell comes from the side of the toilet, their flush should be the smell of leaking from your house, you can replace your floor drain with one that anti-odor, which is also sold on the Internet.
The other party is cheating, the decoration is unqualified and leaking, only the loud theory of the door, go a few more times, and then call the property to follow up.
It is likely that your toilet drain does not have a bend. Another situation is that the toilet is not well sealed in installation, you can try to make a complete glass glue along the contact seam between the base and the ground.
It should be the lid of the water pipe, just find a repair to deal with it.