Bathroom Exhaust Fan Duct Attic
It's important to keep stale and humid air out of the most essential rooms in our homes. That's why The Home Depot carries a variety of bathroom exhaust fans to fit all of your needs. When shopping for a ventilation fan you should consider the room size, sound level and light options.
Bathroom vent fans must be vented to the out of doors. Venting this fan into the attic is simply asking for problems. The excessive moisture will cause condensation on the roof members, insulation and eventually cause mold. It is never OK to vent directly into an attic even if the attic itself is vented.
The Home Mender, Dustin Luby, shows us how to replace your old worn out bathroom exhaust fan with new, without going in the attic! Easy! Click the links below to see inside "Dustin's Toolbox".
If bath fan ducting isn't properly insulated, the moist air from your house will condense inside the duct. The first step is to head to the attic. You may find that the insulation simply needs to be refastened. If you see that your duct isn't insulated at all, pick up duct insulation at the home center. Use zip ties or aluminum tape to fasten the insulation. If your ducts are properly insulated, another potential cause of condensation is lack of use.
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Venting the fan into the attic can cause many issues because of the moist air the fan removed from the bathroom. This moist air will cause condensation on the surfaces in your attic. This can not only cause mold, but damage to your roof system.