You might find that there are gobs of lint stuck on in.
Is my dryer vent on the roof.
The less back pressure is created by the roof vent the more efficiently the system performs.
No a dryer should not be vented through the roof.
And to access it from the rear a 40 ladder would be needed.
It should go out through a wall or the eve of a roof.
You can remove some of this with your hands.
Remove the guard to the dryer vent on the roof.
If it is on your roof this can be a tricky step.
To access it from the front a ladder would have to have been placed on the metal front porch roof.
If you can access the vent from a ladder safely detach the vent cover by unscrewing it and using your knife to remove the caulk.
It should have a cap on the end with a flapper so that animals cannot get in.
Dryer vent specialists will tell you that a vertical approach to installing a dryer vent is inefficient and creates a fire risk for a home if it goes unchecked.
Trust me you don t want to do that.
It is not advisable to vent a dryer through the roof.
If you can remove it.
In my humble opinion dryer vent terminals should be accessible from the ground if you already have a home with a dryer that terminates at the roof be sure to have the terminal cleaned on a regular basis and consider having the terminal replaced with a dryerjack terminal.
Next you must access the inside of the vent on the outside of your house.
The new dryerjack is the most efficient.
The vent was on the front of the house directly over the third floor laundry room.
Get the extra clearance model 486.
In fact if it is not easily accessible you are probably better off simply hiring a professional.
This is one of the most common mistakes we see from people who are not experienced with air ducts.