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Anonymous users2024-01-23Maybe the ceiling downstairs changed your XL turn to 45 degrees.
It's also possible that your drain is connected to a large pipe and replaced with a floor drain with a check valve.
Check all the sewer outlets first, and eliminate them one by one.1 Is there glass glue around the toilet sticking to the ground? If glued, exclude, 2 whether the floor drain is odor-proof, if it can only be covered with a rubber pad when not in use, 3 whether the sewer pipe of the wash basin is there a backwater bend, if not, buy a longer one, replace it, and make a backwater bend. The return bend is done, it is worth noting that there is a gap where the washbasin sewer pipe and the PVC water come into contact, and the smell returned from here is sealed as long as it is wrapped with transparent tape and glued, and it is sealed. >>>More
Normally, the bathroom is damp, the wooden board is easy to rot, and when the new house is not lived, you can put some glass glue on the seam of the wooden board and floor tiles.
The smell of formaldehyde, new houses are like this, generally after half a year to live in, otherwise the harm to the human body is too great.
Sprayed with hazelnut air purifier, the fabric is extracted, without any smell, and can kill the smell of the bathroom.
First, it may be that there is no trap in the sewer pipe of the real estate, and second, if there is a trap, it may be that the height of the water seal is not high enough, and it will be evacuated by negative pressure as soon as the wind blows, so it will lead to a taste. >>>More