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