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federer 02-22-2011 09:14 AM

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!

NCpaint1 02-22-2011 09:15 AM

Quote:

Originally Posted by federer (Post 595625)
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.

federer 02-22-2011 09:38 AM

thanks for the input-where did you put the holes in the side?

NCpaint1 02-22-2011 09:41 AM

Quote:

Originally Posted by federer (Post 595650)
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.

Gary in WA 02-23-2011 03:01 PM

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

federer 03-05-2011 09:30 AM

Quote:

Originally Posted by GBR in WA (Post 596613)
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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