Bathroom Fan Attic Insulation

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.

Bathroom fan attic insulation.

You can buy a bags of cellulose from lowes fluff it up into a garbage bags and dump into attic after you are done on top of the area where you disturbed insulation. Make sure vent pipe is insul wrapped. If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct. While insulating you can make some mistakes.

Install a vapour barrier boot where your fan will go. Insulate the bathroom exhaust vent fan ducts. In un conditioned space such as an attic where otherwise your fan duct will be exposed to cold attic air in winter use insulated solid metal ducting or insulated flex duct. Mar 8th 2018 2 12 pm.

If you see that your duct isn t insulated at all pick up duct insulation at the home center. Or you rent a blower. Mount fan inside boot. Cut hole like an x where elec and vent pass through.

Seal boot to existing vapour barrier. Seal holes around elec and vent with tuc tape and with accoustic sealant. Options for venting a bathroom exhaust fan include best to worst. You may find that the insulation simply needs to be refastened.

I think you need to go into attic regardless as the fan housing probavly has brackets attached to the attic joists. Through the roof or an exterior gable wall. 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. The first step is to head to the attic.