Vent Stack Thru Roof Philippines

The typical vent system consists of a network of pipes that connect to every drain p trap and extend via a main stack that pokes through the roof just above the main bathroom.

Vent stack thru roof philippines.

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. A stack vent is the extension of the waste stack to provide venting. The uppermost part of the waste stack that connects to the uppermost part of the roof is the stack vent. It s common practice in many states to reduce the soil stack to 2 inches and extend that 2 inch pipe through the roof.

It must extend at least 6 inches above the roofline. For one reason or another it may be impractical or impossible to construct this main vent through the roof so it s usually. Find roof vents accessories at lowe s today. The stack has to run the most direct route through open air or be ventilated to extend to open air.

It is a vertical pipe attached to a drain line and runs through the roof of your home. All open vent pipes that extend through a roof shall be terminated at least number typically 6 inches mm above the roof except that where a roof is to be used for any purpose other than weather protection the vent extensions shall be run at least 7 feet 2134 mm above the roof.