Start by trying to clean the roof vent and main drain with a hand held drum auger.
Roof vent and wall cleanout.
So here s the deal.
Step 1 look up on the roof from the ground below and locate the vent pipe s position.
Set up an extension ladder so you.
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.
Cleanouts with plate style access covers shall be fitted with corrosion resisting fasteners.
The top of the vent pipe extends through the roof.
The vent goes up through the roof and the waste water goes down to the sewer or septic system.
Most of the time there is a t intersection from the drain line to the sink.
Behind the wall where you can t see a vent line and drainpipe lead to a soil stack which is the control center of the wastewater system.
It needs to be vented.
Drain pipes take the wastewater to the soil stack.
It doesn t cover the vent pipe above the fitting.
When a clog occurs in a vent pipe you normally climb atop the roof to attack it but you can also try to clear it out from within the house.
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.
Brass cleanout plugs shall be utilized with metallic drain waste and vent piping only and shall conform to astm a 74 asme a112 3 1 or asme a112 36 2m.
Birds usually deceased but sometimes nesting.
Cleanout plugs shall be brass or plastic or other approved materials.
Unplug it and if it s a gas dryer turn off the gas valve as well.
A drainpipe attached to the p trap goes into an opening in the wall.
This isn t really my field but if the roof is difficult to work from then installing a wye fitting with a cleanout adapter and plug in the attic is a good way to be able to snake down from the wye.
Disconnect the dryer duct.
You know the black plumbing pipes that stick up out of your roof.
Through the stack sewer gases are carried up to the roof through vent lines.
One or more of the following can collect in a vent line and completely clog it.
The plumbing vent stack.
Peel back shingles that obstruct the vent on the roof.
If a blockage develops in the soil stack you can clear it from the roof.
A drain needs an open airway for water to go down properly.
The vent opening doesn t give you access to waste lines for individual fixtures however.
Once you have safely ascended onto the roof examine the area around the vent guard.