Bathroom Fan Insulation Attic

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.

Bathroom fan insulation attic.

Insulate your attic access door hatch with weatherstripping and foamboard to r10. If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct. Before you rush to the attic or go the roof to check for any leaks make sure the exhaust fan duct is properly insulated and run the fan more frequently for a prolonged period. Options for venting a bathroom exhaust fan include best to worst.

Seal off the chimney chase with sheet metal and or non combustible caulk. The first step is to head to the attic. Bathroom vent fan ductwork insulation. Caulk foam seal all penetrations into the attic space ie duct chases plumbing chases wiring electrical boxes from lights down below.

While insulating you can make some mistakes. Insulate the bathroom exhaust vent fan ducts. 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. 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. To avoid mistakes not running it at all consider installing switches with built in timers.