Enter the (often called a vent stack). It’s a vertical pipe that runs from your plumbing system up through your roof. Its job isn't to carry water—it’s to carry air and sewer gases .
Before you tear apart a perfectly good drain pipe, look up. The source of your plumbing nightmare might be sitting right on top of your house. clogged plumbing vent
After flushing the toilet or running the washing machine, you hear a distinct "glub-glub-glub" from a nearby sink or tub. That sound is air being sucked through the water in your trap because it can't get air from the vent. Enter the (often called a vent stack)
When a sink drains slowly or a toilet gurgles, most homeowners immediately reach for a plunger or a chemical drain cleaner. But what if the problem isn't below the floor... but above the roof? Before you tear apart a perfectly good drain pipe, look up