Dryer Vent Terminates In Attic

A dryer vent should be vented outside.

Dryer vent terminates in attic.

Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside. While the manufacturers of aavs say they can be used to terminate your vent stack inside of your attic it seems pretty hacky if you have easy access through the roof. When our dryer was replaced we decided to bring the dryer venting system early 1960 up to code by replacing the tubing that vented into the attic. Solution sometimes simply finding the detached duct work and reattaching with code compliant ul listed metal tape is all that is needed.

You must terminate your dryer vent outside the building according to section m1502 of the irc. Not all dryers will allow for this so be sure to check the owners manual to ensure it can be vented in this manner. At less than 5 1 2 above the roof plane it is also low profile for minimal visibility. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.

In these cases it may be necessary to vent your dryer through the attic. Doing so would fill your attic with warm moist air that could rot the framing. Dryer vents don t need cleaning. Sometimes the dryer exhaust was simply installed incorrectly and terminates inside a garage or attic.

Otherwise rotting waste can cause pressure to build up in the system until it forces it s way past a trap. Terminating the shorter duct run with a dryerjack helps venting through the roof deliver on the promise this shorter route offers. So a dryer vent terminating in an enclosed and unconditioned space provides the heat moisture and organic material to create an ideal environment for mold growth. That is the old material type tubing simply ended by a overhang side of the house where it exhaused into the attic and not outside.

For medium snowfall zones and or higher profile roof tiles select the larger model 486 which is as efficient but taller. Peter green feb 17 17 at 15 40. Other times you may need to hire someone to reroute the venting or install it correctly. Dryer lint is also highly flammable.