If you find that it is not you can adjust it.
Dryer vent into the attic fixed.
Home clothes dryers don t start out venting into an enclosed space because the building code specifies that the termination of a dryer duct must be outside.
The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.
Pitch the attic ductwork back toward the dryer so that any condensation will run back toward the heated space.
When venting dryers for long distances use rigid metal pipe with as few elbows as possible.
Here s what the florida building code fbc residential edition says about it.
Doing so would fill your attic with warm moist air that could rot the framing.
A normal dryer vent size is around 4 inches wide.
Be careful you don t cut through any studs electrical wires or pipes in the process.
If the measurements are correct then the hole should sit 4 to 5 inches from the wall where the dryer is.
If venting outside isn t an option you can vent the dryer out of the attic through the roof using a special roof vent to keep rain out.