Vent Through Roof Plumbing

It is a vertical pipe attached to a drain line and runs through the roof of your home.

Vent through roof plumbing.

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. The true vent is aligned vertically and attaches to your drain line through the roof. When water drains air must replace the space that was taken up by the water. Running a vent pipe out of the roof takes some careful preparation.

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. 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 pipes provide this air by running outside the structure of the house. The vent stack is the pipe leading to the main roof vent.

Plumbing vent pipes are connected to your drain system and are needed for water to drain properly. This allows unpleasant and potentially dangerous odors or fumes to safely leave your plumbing system escaping harmlessly into the air outside. Venting is critical to the operation of a residential or commercial plumbing system.