Only two plumbing set ups could require sewer pipes in the attic.
Drain vent in attic.
If the toilet drain does not connect directly to a vent you must find another way to vent it.
It channels the exhaust gases to the vent and helps maintain proper atmospheric pressure in the waste system.
Going up on a roof is dangerous especially when you re trying to search for the cause of a clog.
Such open air vent is recommended not required to be located as close as possible to the connection between the building drain and building sewer.
Steps to unclog a drain from the roof.
Vent pipes look like sewer pipes.
For one reason or another it may be impractical or impossible to construct this main vent through the roof so it s usually permissible to extend it from another part of the house.
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.
When you climb the roof you may find that the vent opening is blocked with leaves and other debris.
The maxi vent must be installed six 6 inches above the highest flood level rim of the fixtures being vented in stack applications.
It is a vertical pipe attached to a drain line and runs through the roof of your home.
If you can t see the clog grab.
If the drain line runs away from the wall where you want the vent use a reducing y and a 45 degree street elbow to point the vent line toward the wall.
Get yourself up on your roof using a ladder that is properly secured.
The true vent is aligned vertically and attaches to your drain line through the roof.
Grab the debris if you can see it and test your pipes.
If you smell sewer gas in your home that means either a trap has run dry or a vent line has cracked.
Toilet vent option 2.
If an individual sink vent is blocked that sink won t drain properly but it might not affect any other part of your.
The vents in your home should channel sewer odor up to the roof while drain traps create a water plug that acts as a barrier stopping sewer odors from coming through the sink drain.
Because most drain vent pipes are up near the roof sometimes debris from the roof can even clog a pipe.
The vent stack is the pipe leading to the main roof vent.
The horizontal vent pipe runs right next to the closet bend.
Bird s nests debris and rodents are all known culprits for clogging vent pipes.
The first would be a bathroom or kitchen in that part of the house and the other would be a.
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.