Snaking a vent stack from the roof would.
Snake vent pipe roof.
Use a flashlight to shine a bright light down the vent pipe to look for further blockage you can reach.
In most cases the vent pipe exits through the roof.
If they become blocked your system won t drain properly.
Then try the following.
Here s a closer look at this issue.
The culprit could be a wasp s or bird s nest or even the carcass of a small animal like a squirrel or rat that fell into the pipe and became trapped.
You ll usually find a vent pipe on your roof.
Look for a black pipe that is about three inches in diameter made of cast iron or pvc.
Sometimes it might be in your yard.
To continue feed the end of a garden hose down the vent and have someone on the ground turn on the water.
Sewer vent pipe location.
Feed the end of a garden hose down the vent pipe and have someone on the ground turn on the water.
Look for a narrow plastic or metal pipe protruding from the roof roughly above the sink or toilet with the drainage problem.
If you can see but can t reach run a plumber s snake down the vent pipe.
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You will need a ladder to access the roof.
Remove any items you can reach.
Located on the roof these vent pipes allow gases to escape from your sewer system.
Pipes on your roof.
If possible shine a flashlight down the pipe to look for the blockage.
They regulate the air pressure in your system allowing waste to flow freely.
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