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Anonymous users2024-01-231. The ventilation duct is not easy to wind in summer.
Second, in fact, this is related to the design of the air outlet of the flue.
3. Most of the air outlets of the ventilation duct are in the east-west direction or north-south direction.
Fourth, if the flue you use is the exit of the south direction, there will be a reverse wind phenomenon when there is a lot of south wind in summer.
You'll have to go upstairs and check it out.
The leak on your roof doesn't necessarily correspond to the person upstairs, because you also said that the leaky seat is the wall of the bathroom upstairs. >>>More
Landlord, don't you install a toilet? And what's that half-cut pipe? Anyway, it's generally not allowed to be connected like this.,It will affect other floors.,Because its smell sometimes spreads in the pipe.,Try not to change it like this.,Other floors in the province know that yours isn't.。
What the landlord said was completely okay. Just keep in mind that the two pipes should be connected to each other and then connected to the roof exhaust, and the minimum pipe diameter should not be lower than 50.
Wind. When there is wind, a suction force is generated at the vent to suck the turbid air out of the bathroom. And fresh air from the gap under the bathroom door (according to the specification, there should be about 1 cm of air outlet under the bathroom door. ）
The relevant provisions of GB 50243-2002 Code for Construction Quality Acceptance of Ventilation and Air Conditioning Engineering are as follows.