How to Clear Out a Vent on the Roof
Plumbing vents are systems that lead from fixtures inside of your home to venting outdoors, most commonly on top of the roof. These devices are positioned throughout your home with both an internal and external trap that helps remove oxygen and sewer gases. Signs of a clogged venting system might be a slowing of your plumbing system and could be caused by debris stuck in the vent located on top of the roof. Checking these roof vents periodically and keeping them clear will help you to avoid more serious problems with your venting system. Does this Spark an idea?
Instructions
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Use an extension ladder to climb up to the roof. Bring a flashlight and garden hose with you.
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Examine the area of the roof to locate the vent. Venting will be approximately three to four inches in diameter and poke above the perimeter of the roof about a foot. It will be made from metal or plastic and is usually located above the bathroom.
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Safely position yourself near the vent and remove the lid. Using a flashlight, examine the inside of the vent looking for debris, nesting, leaves or any materials that are blocking the pipe.
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If you own a plumber's snake, use it to push down on the debris. Otherwise, simply position the garden hose inside of the vent and turn the water on. Listen for the sound of water backing up, in addition to a noise indicating the clog has cleared the drain.
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If it sounds like the pipe is not clearing properly, position the hose further down the vent, using it a bit like a plumber's snake to help push out the clog. Once the pipe is clear, reposition the cap back on the vent and carefully climb down from the roof.
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Tips & Warnings
The addition of a helper positioned near the hose to turn it off and on will keep you from unnecessarily climbing up and down the ladder.
