The vent pipe can also be blocked and when this is the problem your plumbing system will not function as it should.
Vent pipe on roof clogged.
Start by trying to clean the roof vent and main drain with a hand held drum auger.
When a plumbing vent pipe or vent stack is blocked negative pressure builds up in drainage pipes and water flow is interrupted.
Your plumber may need to access the blockage through the vent on the roof pushing a plumbing auger down through the system to grab onto the offending material and pull it out.
Because most drain vent pipes are up near the roof sometimes debris from the roof can even clog a pipe.
Vent pipes allow air into the plumbing line to balance the pressure in the pipe as water goes down the drain.
And on homes that do not have a main drain cleanout accessing a clogged main drain through the roof vent could be your best option.
A clogged vent pipe.
Sometimes these clogs comprise materials like wet wipes and feminine hygiene products which homeowners commonly flush even though they are really not designed to go down the drain.
If tree branches hang over your roof trim them back.
Keep your vent clear.
This long pipe is called a plumbing vent sewer vent plumbing stack vent or roof vent.
When wet leaves and other debris get stuck inside your vent pipe it doesn t take long before there s nowhere for the air to go.
Going up on a roof is dangerous especially when you re trying to search for the cause of a clog.
Bird s nests debris and rodents are all known culprits for clogging vent pipes.
Clogs can also form at the 90 degree or t joint in your pipes where the pipe from your sink drain or toilet joins your main sewer line inside your walls.
If your plumbing vent pipe gets clogged regularly there may be other factors involved.
Ongoing stoppages and slow flowing drains can lead to sediment forming inside the drain pipes.
Bird or rodent carcasses.
When a vent becomes clogged it shows up within the home as everything from ghost flushes at the toilet to sinks that simply won t drain properly.
If removing the trap improves the flow from any nearby fixtures that have been draining more slowly than usual the vents are probably blocked.
The vent system those plumbing pipes that stick out of your roof may be clogged instead.
Clogged vent pipe symptoms.
There s another piece of your plumbing system that could be to blame.
Your vent pipe can become clogged from a variety of things.
Though you may have success clearing a clogged drain yourself stoppages will continue to occur if a blocked vent is the culprit.
Slow draining and gurgling plumbing fixtures could be a sign of a clogged roof vent.
This blockage keeps air from traveling up the vent pipe properly.
Climb the roof with a garden hose and spray water.
