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Damp and mold spots around heat/light/vent

Posted on 6/26/25 at 6:43 am
Posted by Skeeterzx190
Ponchatoula
Member since Sep 2019
341 posts
Posted on 6/26/25 at 6:43 am
In my half bath I’m seeing damp Sheetrock on all four sides of my H/L/V. the house is 5 years old and hasn’t done this before. I started leaving the door
Open to see if that helps. Maybe an insulation issue in attic? Anyone deal with this?
Posted by Polar Pop
Member since Feb 2012
10914 posts
Posted on 6/26/25 at 8:02 am to
Curious as to how the vent is terminated. Can you check in attic and see? There should be more than likely a pipe running from the unit to a vent through the roof.
Posted by Skeeterzx190
Ponchatoula
Member since Sep 2019
341 posts
Posted on 6/26/25 at 8:05 am to
I’ll have to check later when I get home from work.
Posted by tz4tigers
louisiana
Member since Aug 2008
34 posts
Posted on 6/26/25 at 8:05 am to
probably condensate, the cover for the H/L/V is metal inside the attic and probably doesnt have much insulation covering it and the cool air from inside the house on one side of the metal housing and the hot air in the attic on the other side are causing condensation to form. Try putting more insulation over the top of it in the attic.
Posted by Major Dutch Schaefer
Location: Classified
Member since Nov 2011
38151 posts
Posted on 6/26/25 at 8:22 am to
quote:

There should be more than likely a pipe running from the unit to a vent through the roof.


Can also be vented through the soffit.
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