Unclog Sewer Vent [exclusive]: How To

Drop a small rock or pebble. Hear a clean plink at the bottom? Clear. A muffled thud ? Clog.

But over time, leaves, twigs, bird nests, dead squirrels, tennis balls, and even wasp mud daubers turn that vent into a clogged chimney. Suddenly, your drains run slow, toilets bubble, and that gurgle becomes a daily insult. how to unclog sewer vent

On the roof, locate the vent pipe — a 3–4 inch diameter cast iron or PVC pipe sticking up like a short chimney. Shine your light down. See daylight? Probably clear. See darkness, leaves, or a nest? Bingo. Drop a small rock or pebble

If you're experiencing any of the following symptoms, it's possible that your sewer vent is clogged: your drains run slow

Once cleared, preventing a recurrence is easy: