Which Vent Stack Is for Plumbing? I Have Three—Here’s How to Tell

If you’re standing on your roof or looking up from your yard and thinking, “I have three vent stacks—which one is for plumbing?”—you’re not alone. Many homeowners get confused by the maze of pipes poking through their roofs. The good news? Identifying your plumbing vent stack isn’t rocket science. With a few visual clues and…