Sewer Trap On Roof

The vent stack is the pipe leading to the main roof vent.

Sewer trap on roof. When a large volume of water enters a plumbing drain pipe it pushes air in front of it towards the sewer or septic tank. Drain pipes take the wastewater to the soil stack. They re called traps because they do just that. Are roof vent pipes sewer gas exhaust pipes.

Trap water inside preventing sewer gases from coming back into the house. Clogging may happen due to simple problems such as accumulation of dirt improper sloping from incorrect vent installation broken pipe or a broken sewer trap itself. When the wastewater exits the fixture it flows through a trap. It is a vertical pipe attached to a drain line and runs through the roof of your home.

A drainpipe attached to the p trap goes into an opening in the wall. The roof vent is designed to remove sewer gas and regulate air pressure in your home s pipes. Wastewater enters the plumbing system through fixtures such as the toilet sinks and showers. Through the stack sewer gases are carried up to the roof through vent lines.

This air must be replaced and it is sucked into the plumbing system through the roof vents. Behind the wall where you can t see a vent line and drainpipe lead to a soil stack which is the control center of the wastewater system. 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. Of course there are many variables involved in a clogged sewer trap situation.

The most important component of a drain which most people take for granted is the trap.