Is Roof Vent Blocked
Start by trying to clean the roof vent and main drain with a hand held drum auger.
Is roof vent blocked. Bird or rodent carcasses. If so clearing the debris should solve the problem. They are used in conjunction with sink traps to maintain the air pressure in the lines and expel the gas to the outside of the house. When you climb the roof you may find that the vent opening is blocked with leaves and other debris.
Bird s nests debris and rodents are all known culprits for clogging vent pipes. Going up on a roof is dangerous especially when you re trying to search for the cause of a clog. If the air has no place to go and the vent is clogged your toilet could overflow because the toilet can t flush properly. When a plumbing problem cannot be solved on the inside of the house it is often an indication that the drain vent has become blocked or clogged.
If you only use a garden hose you ll be back up on your roof in no time clearing another vent pipe problem. Slow draining and gurgling plumbing fixtures could be a sign of a clogged roof vent. The vent system those plumbing pipes that stick out of your roof may be clogged instead. 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.
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. Vents allow the air displaced by flushing water down your toilet to escape out your rooftop. Can a clogged vent cause a toilet to overflow. There is still gunk gathering on the sides of your pipe that you need to clear out.
Because most drain vent pipes are up near the roof sometimes debris from the roof can even clog a pipe.