Bathroom Fan Insulation Attic

Insulate the bathroom exhaust vent fan ducts.

Bathroom fan insulation attic.

If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct. When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form. Seal off the chimney chase with sheet metal and or non combustible caulk. This is much easier to do if you have attic access because if you don t you usually have to remove some ceiling drywall and run the ducts along a joist.

If you see that your duct isn t insulated at all pick up duct insulation at the home center. Insulate your attic access door hatch with weatherstripping and foamboard to r10. Options for venting a bathroom exhaust fan include best to worst. To avoid mistakes not running it at all consider installing switches with built in timers.

The building code requires a bathroom exhaust fan to vent outside the building so installation of a new bathroom fan necessarily involves installation of ductwork. Caulk foam seal all penetrations into the attic space ie duct chases plumbing chases wiring electrical boxes from lights down below. You may find that the insulation simply needs to be refastened. Bathroom exhaust fans perform an important function by removing excess moisture from your home.

While insulating you can make some mistakes. The first step is to head to the attic.