Is It Okay To Vent A Dryer Through A Roof
It should go out through a wall or the eve of a roof.
Is it okay to vent a dryer through a roof. When bath fans and clothes dryers vent through the roof they melt a bunch of snow. When venting dryers for long distances use rigid metal pipe with as few elbows as possible. Once the vent is exposed use a vent brush first clean the exterior surfaces. After the snow melts below the vent it ll probably freeze again farther down on the roof.
A vertical dryer vent is typically a problem because it acts as a moisture condenser. While it sometimes made sense to vent through the roof every roof vent that had previously been used was inefficient often to a dangerous degree. Cleaning lint buildup from roof vents is difficult and nesting birds and squirrels often find roof vent caps irresistible. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.
When bath fans and clothes dryers vent through the roof they melt a bunch of snow. In order to take advantage of the shortest route a better termination was required roof vent airflow restriction for non dryer specific vents versus the more efficient dryerjack. Then get on the roof and peel back any shingles that may be covering the vent as well as the guard. After the snow melts below the vent it ll probably freeze again farther down on the roof.
This causes the steam from your dryer. It is not advisable to vent a dryer through the roof. Be careful you don t cut through any studs electrical wires or pipes in the process. The sheet metal duct is cooled by the outside air in the attic.
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. Doing so would fill your attic with warm moist air that could rot the framing. It should have a cap on the end with a flapper so that animals cannot get in. Check with your appliance dealer or local building inspector for recommendations about the best roof vent cap to use.
If this happens enough an ice dam will form that s large enough to cause roof leaks. This is one of the most common mistakes we see from people who are not experienced with air ducts. Vent a dryer through the roof only as a last resort.