Remove the vent pipe cap if required inspect the inside of the vent pipe with a bright flashlight.
How to clean a roof vent pipe.
Use a plumber s snake of electricians fish tape to unclog the stoppage.
Feed the end of a garden hose down the vent pipe and have someone on the ground turn on the water.
Then try the following.
Look inside the vent opening and clear out any debris you find.
If you can t entirely remove the clog with your snake use a garden hose to flush out remaining debris.
Look up on the roof from the ground below and locate the vent pipe s position.
Steps to unclog a drain from the roof.
Remove any items you can reach.
Remove the vent cover with the screwdriver and set it aside.
Set up a ladder so you can climb on the roof.
Turn the water on before you bring the hose onto the roof.
For those items you can t remove from above run the plumber s snake down the vent pipe.
Get yourself up on your roof using a ladder that is properly secured.
If you don t feel suction the line is blocked further down.
Bring a screwdriver and a garden hose with an adjustable nozzle with you when you climb onto the roof.
Have an assistant flush a toilet while you hold your hand over the vent.
How to clean plumbing vent pipes.
If you can t see the clog grab.
If the vent.
Cut out a section of the vent.
How to clear a plumbing vent without getting on a roof step 1.
The top of the vent pipe.