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Vent stack thru roof philippines.
It must extend at least 6 inches above the roofline.
It s common practice in many states to reduce the soil stack to 2 inches and extend that 2 inch pipe through the roof.
The vent stack is the pipe leading to the main roof vent.
It is a vertical pipe attached to a drain line and runs through the roof of your home.
For one reason or another it may be impractical or impossible to construct this main vent through the roof so it s usually.
A stack vent is the extension of the waste stack to provide venting.
The stack has to run the most direct route through open air or be ventilated to extend to open air.
Our tampa plumbers note that the functions of a stack vent.
The uppermost part of the waste stack that connects to the uppermost part of the roof is the stack vent.
It also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water runs through the plumbing vent pipe.