How Do You Find a Vent Stack in a Basement

Locate your main plumbing drain line. It will be found in a basement or crawlspace coming straight down from your house. … Look in your attic for a vent pipe. Use a flashlight if there are no lights. … Inspect your roof for a vent pipe. … Locate an exit pipe on the side of the building.

Where is vent stack located?

It is a vertical pipe attached to a drain line and runs through the roof of your home. The vent stack is the pipe leading to the main roof vent.

Where is septic vent located?

This septic tank vent is typically located somewhere in the yard near the liquid tank. If you notice sewer smell coming from your septic tank vent, don’t assume that you have serious problems with your septic system.