Remove the vent cover with the screwdriver and set it aside.
How to clean roof vent pipe.
If you don t feel suction the line is blocked.
Turn the water on before you bring the hose onto the roof.
Cut out a section of the vent.
If the vent.
Use care to stop the flow of water before the nozzle reaches the vent opening.
If you can t see the clog grab your drain auger.
If the pipe won t drain you ll need to try the auger.
Have an assistant flush a toilet while you hold your hand over the vent.
Turn the handle to push the head through the blockage.
Use a plumber s snake of electricians fish tape to.
A 10 to 20 foot length is recommended.
Then try the following.
Remove any items you can reach.
Climb into the attic and locate the vent pipe as it passes through the attic.
Be sure the feet of the ladder are firmly planted on level ground and the top extends 3 feet above.
To check for a cleared line insert the garden hose down into the roof vent opening ask a helper on the ground to turn on the water and watch to see if water seems to be flowing freely into the main drain.
Bring a screwdriver and a garden hose with an adjustable nozzle with you when you climb onto the roof.
Start twisting your auger cable around to grab hold of the clog and any other gunk that is in the vent pipe.
If it s too steep or slippery due to weather call a professional.
Feed your auger down the pipe.
How to clean plumbing vent pipes.
How to clear a plumbing vent without getting on a roof step 1.
Water will begin to drain when you have succeeded.
The top of the vent pipe.
Set up a ladder so you can climb on the roof.
Look inside the vent opening and clear out any debris you find.
Withdraw the cable debris often comes with it.
Feed the cable bit by bit until you hit a barrier.
Look up on the roof from the ground below and locate the vent pipe s position.
For those items you can t remove from above run the plumber s snake down the vent pipe.
When you feel the auger cable stop you ve hit your clog.