Blocked Roof Stack Vent

The vent system those plumbing pipes that stick out of your roof may be clogged instead.

Blocked roof stack vent.

The pipe leading to the main roof vent is called the vent stack. Bird or rodent. The function of this 2 or 3 inch pipe is to admit air into the drainage system and when it gets blocked the. If the main vent is blocked the water will back up.

A vent stack extends upward from the roof of every building that has waste plumbing. Follow the steps below to clear your plumbing vent stack of any clogs and build ups. Climb the roof with a garden hose and spray water into the main vent opening. That s because the vent pipes work to remove and block those smells from coming into your home.

Working up on the roof can be a dangerous task to say the least. It helps maintain proper atmospheric pressure in a building s waste system and channels the exhaust gasses to the vent. Causes of blocked sewer vents and their solutions. How to unclog a vent pipe on your roof.

If the blockage is deeper inside insert a garden hose into the vent and turn on the water. You won t be sorry. P traps cheaters in older homes a vent may also be located under a kitchen or bathroom cabinet at a level. That s a sign that you need to clear the vent pipe with a.

A plumbing vent or stack as the pros call it runs from your plumbing through your attic to the top of your roof. Because clearing vent pipe blockages can be a real pain in the you know what you can take some preventive steps. It isn t safe to climb on the roof to check the vent in the winter but in the summer months you can clear vent blockages by removing debris from the vent opening. Your vent pipe can become clogged from a variety of things.

The plumbing vent pipe is a vertical pipe that attaches to the drain line and runs through the roof of a home. These three are the most common. Slow draining and gurgling plumbing fixtures could be a sign of a clogged roof vent and on homes that do not have a main drain cleanout accessing a clogged main drain through the roof vent could be your best option. Unfortunately the best place to clear a blockage in a vent pipe is from the roof.

It s best to have your plumbing vent atop your roof to let noxious fumes leave your home above nose level. If you started to experience the problems described above after a snowstorm snow on the roof is probably blocking your sewer vent. In the winter ice can form inside an undersized vent and block it. You might need to run a drain cleaner through your roof vent if it s clogged or if this is the easiest way to access a clogged main drain.

Fourth if your vent pipes clogged you might smell nasty sewer gas.