Grab the debris if you can see it and test your pipes.
How to clean a roof vent pipe.
Climb into the attic and locate the vent pipe as it passes through the attic.
The top of the vent pipe.
How to clear a plumbing vent without getting on a roof step 1.
Feed the cable bit by bit until you hit a barrier.
Remove any items you can reach.
Turn the handle to push the head through the blockage.
Use a plumber s snake of electricians fish tape to unclog the stoppage.
A 10 to 20 foot length is recommended.
If you can t entirely remove the clog with your snake use a garden hose to flush out remaining debris.
If you don t feel suction the line is blocked further down.
If the vent.
How to clean plumbing vent pipes.
There should be clamps that connect the exhaust pipe of the dryer to the vent.
If you can t see the clog grab.
Have an assistant flush a toilet while you hold your hand over the vent.
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.
Then try the following.
Get yourself up on your roof using a ladder that is properly secured.
Cut out a section of the vent.
Start by trying to clean the roof vent and main drain with a hand held drum auger.
Remove the vent pipe cap if required inspect the inside of the vent pipe with a bright flashlight.
Be sure the feet of the ladder are firmly planted on level ground and the top extends 3 feet above.
Slow draining and gurgling plumbing fixtures could be a sign of a clogged roof vent.
Feed the end of a garden hose down the vent pipe and have someone on the ground turn on the water.
Steps to unclog a drain from the roof.
Withdraw the cable debris often comes with it.
Look up on the roof from the ground below and locate the vent pipe s position.
Before climbing up to the roof get behind the dryer to vacuum out the vent.
Bring a screwdriver and a garden hose with an adjustable nozzle with you when you climb onto the roof.
Set up a ladder so you can climb on the roof.
If the pipe won t drain you ll need to try the auger.