WARNING FIRE HAZARD
NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or garages.
All exhaust must be ducted to the outside.
Use single wall rigid metal ductwork only.
Some Ducting Options
side wall cap
w/ gravity damper
3-1/4"x10" rect.
horizontal ducting
Roof Pitch w/
Flashing & Cap
7" round
vertical ducting
side wall cap
w/ gravity damper
Soffit or crawl space
7" round
vertical ducting
7