Insulating Dryer Vent In Attic
Either way insulation is a necessary step when installing or repairing the dryer vent pipe particularly if it passes through a basement or crawl space.
Insulating dryer vent in attic. Of fiberglass insulation will keep the duct warm during dryer operation and will minimize condensation on the duct walls. Wrapping the vent pipe with insulation is a good idea. So the air remains warm until it exits the house. In these cases it may be necessary to vent your dryer through the attic.
Cover the pipe in two to three inches of fiberglass insulation. When venting dryers for long distances use rigid metal pipe with as few elbows as possible. A dryer vent should be vented outside. Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside.
Leaks and what to do about them every inch of the metal surface of the dryer vent must be protected in order for the insulation to do its job. Step 1 wrap pipe in insulation. Be careful you don t cut through any studs electrical wires or pipes in the process. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.
Insulating the duct with at least 1 in. You may have to cut through drywall to fully expose the pipe and be able to apply insulation. Track the exhaust pipe from your dryer until it leaves the house. This reduces the chance of the water condensing inside your house or dryer vent.
Doing so would fill your attic with warm moist air that could rot the framing. Attach insulation with foil based duct tape and caulk where pipe exits the house. If venting outside isn t an option you can vent the dryer out of the attic through the roof using a special roof vent to keep rain out.