Purpose Of Vent Pipe On Roof

Vents provide a means to release sewer gases outside instead of inside the house.

Purpose of vent pipe on roof.

The vent stack is the pipe leading to the main roof vent. If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it. If the roof vent on your house gets blocked you ll know it. It extends downward to the sewer and upward through the roof terminating in a pipe that typically extends one or two feet above the roof line.

Free delivery with 45 order. The main part of a household vent network is the main stack which typically serves the main bathroom. Water and waste head down the pipe while gasses are vented up and outwards. This would cause bad odors in the building and potentially cause some people to become sick.

It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system. The venting system or plumbing vents consists of a number of pipes leading from waste pipes to the outdoors usually through the roof. Why plumbing air vents are important. Vents also admit oxygen to the waste system to allow aerobic sewage digestion and to discourage noxious anaerobic decomposition.

It is a vertical pipe attached to a drain line and runs through the roof of your home. Your toilet won t flush properly you may notice sewer smells and your drains may even back up. Vacuums in the system from improper venting can suck the water right out of your traps causing a bad smell and loud and noisy drain pipes. Inside diameter black new construction or reroof thermoplastic vent pipe roof flashing model pb 312 4bk 19 97 19 97.

Without the venting the sewage gas would leak through the water in the plumbing trap. The vents also allow gases to safely escape through the roof. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. Set your store to see local availability add to cart.

The purpose of the vents is to allow air into the system and prevent flowing water from creating a suction that slows it down and can draw water out of p traps. The stack pipe leads the whole way out through your roof and further underground in the opposite direction to main sewer lines.