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Old 02-22-2011, 10:14 AM   #1
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Bathroom exhaust fan


Not sure if this is the best section, but as some of you may know I recently demoed my ceiling. Upon doing so I discovered that the exhaust fan in the bathroom does not vent to the outside! So my question is what would be the easier solution:
make a hole through the shingled roof or run it sideways under the roof decking out through fascia board? thanks for input!

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Old 02-22-2011, 10:15 AM   #2
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Originally Posted by federer View Post
Not sure if this is the best section, but as some of you may know I recently demoed my ceiling. Upon doing so I discovered that the exhaust fan in the bathroom does not vent to the outside! So my question is what would be the easier solution:
make a hole through the shingled roof or run it sideways under the roof decking out through fascia board? thanks for input!
All of the vents in my home are through the side, not the roof.

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Old 02-22-2011, 10:38 AM   #3
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Bathroom exhaust fan


thanks for the input-where did you put the holes in the side?
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Old 02-22-2011, 10:41 AM   #4
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thanks for the input-where did you put the holes in the side?
They both come out under the overhangs, on the side of the house.
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Old 02-23-2011, 04:01 PM   #5
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Bathroom exhaust fan


Be aware, fan termination near any attic intake vents in the soffit will bring the moisture back in to the attic condensing on the roof framing and/or insulation. If no intakes at soffits, the exhaust will also get the soffit dirtier faster from the moisture condensing after being forced upward from the positive wind coming up the wall of the house. A minor worry unless two-story... Gable wall is ideal.

Gary
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Old 03-05-2011, 10:30 AM   #6
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Originally Posted by GBR in WA View Post
Be aware, fan termination near any attic intake vents in the soffit will bring the moisture back in to the attic condensing on the roof framing and/or insulation. If no intakes at soffits, the exhaust will also get the soffit dirtier faster from the moisture condensing after being forced upward from the positive wind coming up the wall of the house. A minor worry unless two-story... Gable wall is ideal.

Gary
thanks Gary. there is no intake at the soffit. why would 2 story resolve this issue? this is for the upstairs bathroom.

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