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Anonymous users2024-01-24It should be a family on the top floor who has privately changed the main pipe, resulting in poor air pressure
The reason for the blockage of the main pipe below your home can be dredged.
It can be solved by using "anti-pan device" or "overflow stopper".
There is no way to do this except to re-change, because you did not do a good job of waterproofing at that time to appear now problems, hydropower transformation is a hidden project can not be saved, must be done well otherwise it is very troublesome.
1. The main excretion pipe below your floor is blocked. And the main drain pipe above your floor is still unblocked. According to the principle of the communicator, the fluid composed of excrement and water upstairs will flow out of your toilet. >>>More
The usable area of the ground floor on the second floor should be counted as a public area, not the usable area of the first floor, and it is not a balcony on the first floor. I mean, if it's a balcony on the first floor, it should be counted as the usable area on the first floor.