Bird or rodent.
How to snake to the roof vent from toilet.
Listen carefully for water backing up and a sudden whoosh when the weight of the water forces the clog into and down the drain.
How to unblock vents on the roof.
Toilet without a vent through a roof stack.
Your vent pipe can become clogged from a variety of things.
The odor of sewage.
In most cases the vent pipe exits through the roof.
For most households the toilet is one of the most important fixtures in the home.
The toilet is vented by the main roof stack.
If you didn t already know the main roof stack is the center of your home s venting system.
Also notice that the 4 inch toilet flange sits on top of the finished floor.
When the vent pipe is clogged it shows up within your home in a variety of ways from ghost flushing from your toilet to a sink that won t drain properly.
All of the vents located in your house connect to it with the use of several.
Not all the pipes in your plumbing system run down to the sewers.
Each plumbing fixture sink tub toilet and so on connects via a vent pipe to the main vent stack that exits the roof.
Any of the major drains in your house may also have a vent pipe that runs up to the roof.
Feed the end of a garden hose down the vent pipe and have someone on the ground turn on the water.
If the air from the drain or toilet smells like sewage this can also be a sign that the vent pipe is blocked.
A vacuum is being created that is pulling things in the wrong direction.
How to unclog a toilet vent pipe.
The vent system those plumbing pipes that stick out of your roof may be clogged instead.