Can You Run A Dryer Vent Through The Roof

When bath fans and clothes dryers vent through the roof they melt a bunch of snow.

Can you run a dryer vent through the roof.

The international residential code allows you to run a dryer vent through the attic but you can t terminate it there. It should go out through a wall or the eve of a roof. Vent a dryer through the roof only as a last resort. Obviously the ideal is to stick your dryer on the outside wall and vent it 10 inches.

Terminating the shorter duct run with a dryerjack helps venting through the roof deliver on the promise this shorter route offers. It is not advisable to vent a dryer through the roof. Cleaning lint buildup from roof vents is difficult and nesting birds and squirrels often find roof vent caps irresistible. Dryer vent specialists will tell you that a vertical approach to installing a dryer vent is inefficient and creates a fire risk for a home if it goes unchecked.

This is one of the most common mistakes we see from people who are not experienced with air ducts. The vent becomes clogged with lint and. Doing so would fill your attic with warm moist air that could rot the framing. After the snow melts below the vent it ll probably freeze again farther down on the roof.

Venting through the roof is a common practice in areas where you can t get under the house. For medium snowfall zones and or higher profile roof tiles select the larger model 486 which is as efficient but taller. At less than 5 1 2 above the roof plane it is also low profile for minimal visibility. After the snow melts below the vent it ll probably freeze again farther down on the roof.

Check with your appliance dealer or local building inspector for recommendations about the best roof vent cap to use. So the dryer has to vent vertically up through the roof. The laundry is located in the middle of our home in a hall closet. I haven t seen anything to indicate that lint buildup is a problem as long as the run is as short as possible and pressure off the dryer is adequate.

It should have a cap on the end with a flapper so that animals cannot get in. This causes two problems. If this happens enough an ice dam will form that s large enough to cause roof leaks. Don t you must terminate your dryer vent outside the building according to.