To determine if you have a leak, run your hand around the pipe as the dryer is running.
How To Run Dryer Vent Through Interior Wall. Turn on the dryer and look for any leaks. There is a dryer vent installation code which addresses long runs and how many turns are allowable.
Dryer Vent Installation Guide from www.appliance-repair-it.com
I have no roof overhang, so no soffits. The original dryer vent in my house must have vented into the garage. Pitch the attic ductwork back toward the dryer so that any condensation will run back toward the heated space.
Running a dryer vent through brick.
Avoid running the vent out through the roof. Make sure to remove any dryer lint from it every time you run. To determine if you have a leak, run your hand around the pipe as the dryer is running. I have no roof overhang, so no soffits.
