Should Dryer Vent In Attic Be Insulated

This can lead to problems.

Should dryer vent in attic be insulated. Insulation around the dryer vent is not normally necessary if you install straight. Check out the dryer vent safety link in the article above for more information. Do not vent the clothes dryer indoors nor into an attic crawl space or other enclosed area. In your case you might need to disconnect the vent pipe in the attic and fish a dryer cleaning brush with an extension handle down it from there to be able to reach the entire length of pipe.

Vent the dryer duct to outside. When metal vent pipes aren t insulated the ambient air cools the metal which condenses the moist air inside the pipe this condensation can leak through the joints in the pipe and collect in the walls or ceiling or the water can run all the way back to the dryer and show up as a puddle under the unit. Either way insulation is a necessary step when installing or repairing the dryer vent pipe. Keeping wintertime relative humidity levels in the house to 40 or below will minimize this problem.

Our photo above shows a dryer vent spilling directly below the building first floor into a soaking wet crawl. Dryer vent hose often is not insulated. Doing so would fill your attic with warm moist air that could rot the framing and ruin the attic insulation and lint from the dryer could create other problems. The water also condenses and runs back to the dryer creating a puddle underneath.

Provided the vent doesn t exceed. Wrapping the vent pipe with. Lint build up in dryer vent pipes can definitely be a problem and the pipe should be cleaned periodically to remove it. Because the dryer vent s air seal to the outdoors cannot be made between the heated space and the unheated space the second floor ceiling natural convection in the ductwork when the dryer is not running may still convey enough water vapor to the attic ductwork to cause condensation.