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Generally, there is no problem, and there is something at the mouth of the pipe, which seems to be called a check valve or something like that, that is, the control of the airflow can only go in one direction.
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You can put the ventilation pipe in the kitchen on an exhaust fan!!
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You can install it on the ducts of the range hood and toilet ventilation fan, which can effectively reduce the odor.
Hurry up and find the property to deal with it first, and the property will have the contact information of the residents upstairs. >>>More
to follow the design specifications and construction.
Since the specification, the flue of the kitchen and the ventilation of the bathroom should be independent. You can check it carefully, if it is together, you can check the design or construction specifications according to the area, if you violate the specifications, you can report to the relevant departments or properties, if you are not connected, then you can only find the source of the odor. >>>More
Punching holes can create ventilation holes and make your toilet smelly even more.
Isn't there an outer wall on his side? That's not good
It is to be done, the kitchen is more special, and a 150-degree fire damper is generally set.