A stack vent is the extension of the waste stack to provide venting.
Vent stack thru roof deck.
If you can t put the main stack through the roof most local plumbing codes allow you to put it through a wall instead but there are conditions.
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Vent the roof deck.
All the vents connect to it through branch lines and it vents the main toilet the most important plumbing fixture in most houses.
It is a vertical pipe attached to a drain line and runs through the roof of your home.
Above roof plumbing vent diameter.
You can connect the kitchen vent to the main vent in the attic as long as the main vent is the proper size and extends through the roof.
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The uppermost part of the waste stack that connects to the uppermost part of the roof is the stack vent.
The vent stack is the pipe leading to the main roof vent.
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Open vent pipes that extend through a roof shall be terminated at least 6 inches 152 mm above the roof or 6 inches 152 mm above the anticipated snow accumulation whichever is greater except that where a roof is to be used for any purpose other than weather protection the vent extension shall.
Why plumbing air vents are important.
The main stack is the heart of the venting system.
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Our tampa plumbers note that the functions of a stack vent.
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In areas exposed to snow or freezing or temperatures below 0 degf that can block a plumbing vent the vent pipe should be at least 2 in diameter beginning at least one foot inside the building in an insulated space before the vent passes through the roof.
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It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system.
6 minimum or 6 higher than snow accumulation for the geographic area.
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The stack has to run the most direct route through open air or be ventilated to extend to open air.
Vents are required to be at least half the diameter of the drainpipe that they serve so a 3 in.
