Dryer Vent Thru Attic

While elbows and length of run are important factors for efficiency and safety the exhaust termination is often the biggest restriction point.

Dryer vent thru attic.

Seal the ceiling penetration so that the duct can expand in length as it heats up during use a standard roof boot such as you d use to flash a vent pipe would work. Use a 4 1 4 inch hole saw to cut the vent opening. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there. 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.

Continue the ductwork horizontally through the attic to the closest exterior wall. Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside. When bath fans and clothes dryers vent through the roof they melt a bunch of snow. For dryer venting use 4 inch smooth wall aluminum pipe.

Often going straight up through the roof is the shortest route. But if it s running through a crawl space unheated basement attic or other unconditioned space where there s the potential for. A dryer vent should be vented outside. The dryerjack in fact was born of extensive testing of the dryerbox and dryer ell and how they improve airflow.

In real world tests inefficient roof terminations would often all but negate the improved efficiency of eliminating restrictive elbows. When venting dryers for long distances use rigid metal pipe with as few elbows as possible. Transfer that measurement inside if necessary to mark the new dryer vent center. In these cases it may be necessary to vent your dryer through the attic.

Clothes dryers should be vented through the side of the house preferably within reach from the ground. Doing so would fill your attic with warm moist air that could rot the framing. If you are installing a dryer vent through a finished wall remove a small section and check to be sure you won t be cutting through any wiring plumbing or ductwork. Be careful you don t cut through any studs electrical wires or pipes in the process.

Vent the dryer with 4 in.