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