In the short term your plumber can fix the issue by clearing snow away from the vent and melting any snow that has made its way down inside of the vent.
Drain vent through metal roof.
True vents also have no water running through them.
It also allows fresh air into the plumbing system to help water flow smoothly through the drain pipes however no water runs through the plumbing vent pipe.
Through the stack sewer gases are carried up to the roof through vent lines.
If you smell sewer gas in your home that means either a trap has run dry or a vent line has cracked.
The true vent is aligned vertically and attaches to your drain line through the roof.
This is most likely to occur on a flat roof from which the snow does not drain properly or after a really heavy snowstorm that results in several feet of snow on the roof.
The typical vent system consists of a network of pipes that connect to every drain p trap and extend via a main stack that pokes through the roof just above the main bathroom.
All the waste lines have a cleanout which is a y shaped fitting that s accessible so that you can clean out any.
How to clear drains through the roof vent.
The waste lines in your house are connected to a venting system that performs two important functions.
All the faucets and water appliances in a house use this same system of drains pipes and vents.
Vents allow sewer gases to escape and allow air.
The vent stack is the pipe leading to the main roof vent.
This is best implemented if a fixture rests close to the stack and the top floor of your home allowing the stack to serve as a vent.
How to check if a vent pipe is clogged.
It is a vertical pipe attached to a drain line and runs through the roof of your home.
The vents admit air to replace the vacuum of.
For one reason or another it may be impractical or impossible to construct this main vent through the roof so it s usually.
When the vents in your plumbing drain system are clogged the flow of water can slow down or stop altogether.