Insulation Around Bathroom Exhaust Fan

Right now there is a vapour barrier paper between the insulation in the attic and the drywall.

Insulation around bathroom exhaust fan.

If you take it through the roof using a metal pipe do you use insulation around the pipe. I have a bathroom exhaust fan that is vented directly into the attic. John you should be ok if the following. T he result of the insulation problem around a bathroom exhaust fan is either water stains or mold near the vent of your bathroom.

If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct. I m adding a bathroom exhaust fan which is being mounted in the ceiling of the bathroom in the attic and venting out through a vent in the wall. It has started to leak water back through the exhaust fan into the bathroom. The first step is to head to the attic.

Is this a fire hazard. What is the best thing to do to correct this problem. In existing homes air seal and insulate around new or existing bathroom and kitchen exhaust fans to minimize air leakage to and from unconditioned attics. I sprayed insulation foam not the fire block around the bathroom vent fan in an attempt to seal small air leak from the attic.

Foam did not enter the fan enclosure. Insulation problems will lead to other problems like the fan not being able to extract any humidity from the bathroom at all. This article series explains how to install bathroom exhaust fans or vents the vent ducting the vent termination at the wall soffit or roof vent fan wiring bath vent duct insulation bath vent lengths clearances routing and we answer just about any other bathroom ventilation design or installation question you may have. Remove insulation around the exhaust fan on the attic side.

Inspect the attic floor around the fan box for air leaks.