This is one of the most common mistakes we see from people who are not experienced with air ducts.
Is my dryer vent on the roof.
If you can remove it.
When you get on the roof you should find that the vent is covered by a guard.
Get the extra clearance model 486.
It should have a cap on the end with a flapper so that animals cannot get in.
And to access it from the rear a 40 ladder would be needed.
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.
You might find that there are gobs of lint stuck on in.
Considering that back pressure higher than 6 wci is generally recognized as inefficient you can see that venting through the roof with non dryer specific vents is immediately problematic.
It should go out through a wall or the eve of a roof.
The less back pressure is created by the roof vent the more efficiently the system performs.
To access it from the front a ladder would have to have been placed on the metal front porch roof.
The vent was on the front of the house directly over the third floor laundry room.
You can remove some of this with your hands.
It is not advisable to vent a dryer through the roof.
No a dryer should not be vented through the roof.
The new dryerjack is the most efficient.
Trust me you don t want to do that.
If it is on your roof this can be a tricky step.
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.
Next you must access the inside of the vent on the outside of your house.
Most people don t have such a ladder.