Dryer Vent Terminates In Attic

A dryer vent should be vented outside.

Dryer vent terminates in attic. Doing so would fill your attic with warm moist air that could rot the framing. 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. Dryer lint is also highly flammable. Your dryer only has the power to push that heavy wet lint so far so it s inevitable that some of it is going remain behind in the vent pipe.

While a thin layer of dust is satisfactory a coating of cotton lint on a surface is even better. Otherwise rotting waste can cause pressure to build up in the system until it forces it s way past a trap. 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. At less than 5 1 2 above the roof plane it is also low profile for minimal visibility.

Dryer vents don t need cleaning. 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. For medium snowfall zones and or higher profile roof tiles select the larger model 486 which is as efficient but taller. In these cases it may be necessary to vent your dryer through the attic.

You must terminate your dryer vent outside the building according to section m1502 of the irc. Other times you may need to hire someone to reroute the venting or install it correctly. Terminating the shorter duct run with a dryerjack helps venting through the roof deliver on the promise this shorter route offers. Peter green feb 17 17 at 15 40.

Sometimes the dryer exhaust was simply installed incorrectly and terminates inside a garage or attic. Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside. This also means that you can t blow the dryer exhaust into the attic or the crawlspace. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.