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Anonymous users2024-01-2450207-2012 "Roofing Engineering Quality Acceptance Code" was implemented on October 1.
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Anonymous users2024-01-23The casing is generally twenty or thirty centimeters, and the ventilation tube is two meters? You make chimneys.
The height of the pier of the ventilation pipe is generally about 10cm. >>>More
It's for emitting odors, and it's best not to cut them, otherwise all the odors won't be discharged, and you'll just wait to be uncomfortable.
After you did that.
1. The ventilation riser downstairs is equivalent to saying that it is sealed, and the whole drainage pipe becomes a top ventilation version, without a ventilation riser, and the amount of water discharged is reduced by about 4L s (reducing the general drainage capacity), which affects the drainage capacity of the entire drainage pipe, and there is a huge drainage risk. >>>More
The ventilation pipe of the high-rise bathroom cannot be made into the form of a floor drain on the roof. Because the role of the snorkel is ventilated. Its function is that when the discharge of the drainage riser is too large, the flowing water in the riser forms a water column or the hollow water column falls, a vacuum will be generated in the upper part of the pipe to form a negative pressure, and when the negative pressure is formed, it will destroy the water seal in the room and cause the odor in the pipe to enter the room. >>>More
The height is more than 50 cm, and the exhaust needs to be angled to prevent wind and reversal.