Insulating Dryer Vent In Attic

Attach insulation with foil based duct tape and caulk where pipe exits the house.

Insulating dryer vent in attic.

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. You can also install a vacuum seal that will prevent backdrafts of cold air when the dryer is off. Your dryer exhaust may be set in a sheet of metal or plywood. Improve the heat efficiency of your dryer vent by sealing around it with caulking or foam insulation.

In some cases only a swinging metal flapper separates interior from exterior. 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. In these cases it may be necessary to vent your dryer through the attic. 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.

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. A dryer vent should be vented outside. So the air remains warm until it exits the house.

Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside. Not all dryers will allow for this so be sure to check the owners manual to ensure it can be vented in this manner. Wrapping the vent pipe with insulation is a good idea.