At this point now that your dryer is not connected to any power sources it is safe to work on your dryer vent.
How to clean your dryer vent on the roof.
If you have an older home your dryer vent may be located on your roof.
The first step on how to clean a dryer vent is to unplug the dryer.
Pull the dryer away from the wall about a foot to begin cleaning your dryer vent.
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.
Then get on the roof and peel back any shingles that may be covering the vent as well as the guard.
Once the vent is exposed use a vent brush first clean the exterior surfaces.
Also locate the dryer exhaust vent at your home s exterior.
Now it is time to remove the vent cover near your dryer so that you can clean out any debris that has accumulated inside.
Step 2 remove the dryer vent cover.
If you have a gas dryer turn the supply valve off while cleaning.
Cleaning your dryer vents helps to extend the life of your clothes dryer helps to decrease energy usage and helps to prevent fires that can be caused by excessive amounts of lint.
Go to the back of your dryer moving it if necessary.