Before you clean a dryer vent on the roof vacuum out the vent behind the dryer since it s easier to clean out the length of the vent from the ground floor.
How to clean dryer duct in attic.
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If you find much lint on it repeat the step again.
Pull it out and remove the lint from the brush.
If your dryer vent has no air blowing through it it is time for more serious measures which i will talk.
Put all of the dryer components back together and plug it in.
Safely disconnect your dryer by unplugging the power cord from the outlet or turning off the gas or propane.
Once the vent is exposed use a vent brush first clean the exterior surfaces.
This slope allows condensation to drain back toward the dryer and you can.
One important way to control condensation is to maintain an upward slope on the vent pipe toward the exhaust opening.
Use the hose attachment of a vacuum cleaner or shop vac to clean in and around the hole at the back of the dryer.
While wearing safety gloves remove lint from the hole at the back of the dryer.
In your case you might need to disconnect the vent pipe in the attic and fish a dryer cleaning brush with an extension handle down it from there to be able to reach the entire length of pipe.
Problems with ducts in the attic duration.
Then get on the roof and peel back any shingles that may be covering the vent as well as the guard.
Now that you know the start and end points of your duct it s time to disconnect.
In order to properly clean your dryer s ventilation system you have to first know where it is.
Use the large dryer vent duct brush to clean out the duct.
Safely disconnect the dryer.
Cleaning lint from a dryer duct requires a vacuum.
If you can detach the length of duct where it meets the wall do so.
Check out the dryer vent safety link in the article above for more information.
How to clean out long dryer vents.
Move it carefully spinning while you push it in.
Here s how to clean your dryer vent in 5 easy steps step 1.