Insulation Around Bathroom Exhaust Fan

If bath fan ducting isn t properly insulated the moist air from your house will condense inside the duct.

Insulation around bathroom exhaust fan.

Insulation problems will lead to other problems like the fan not being able to extract any humidity from the bathroom at all. It has started to leak water back through the exhaust fan into the bathroom. John you should be ok if the following. Keep calm if that happens to you.

T he result of the insulation problem around a bathroom exhaust fan is either water stains or mold near the vent of your bathroom. Water stains on the ceiling around your bath fan may indicate a leak coming from the vent cap on your roof but condensation is the more likely culprit. Inspect the attic floor around the fan box for air leaks. Remove insulation around the exhaust fan on the attic side.

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. Foam did not enter the fan enclosure. Using spray foam to seal around a bathroom vent fan mar 12 2014 john said. The first step is to head to the attic.

If you take it through the roof using a metal pipe do you use insulation around the pipe. I sprayed insulation foam not the fire block around the bathroom vent fan in an attempt to seal small air leak from the attic. What is the best thing to do to correct this problem. Is this a fire hazard.

I have a bathroom exhaust fan that is vented directly into the attic.