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Old 10-31-2010, 11:08 PM   #1
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Vapor barrier in the attic


Was in the attic connecting bathroom fan to new roof vent (PO had it blowing directly into attic ) and noticed a couple things. Bear with me, I'm a hurting rookie at DIY.

Have a skylight in the bathroom, has a paint peeling problem since on the walls. Haven't tried repainting, just looked like it wasn't primed. Anyways, took a closer look today and there's plywood and 2x4's framing the skylight, don't see any vapor barrier. Is it possible it's between the drywall and plywood? Is the lack of barrier one of the causes of paint peeling?

Secondly, half my house is normal attic, half is cathedral ceiling. So in the attic is a wall that seperates the attic and the inside of the house with the higher ceilings. Again, no vapor barrier on this wall. Sort of guessing it needs it since it's laid down on all the ceiling drywall....?

Thanks in advance!

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Last edited by burnt03; 11-08-2010 at 09:28 PM.
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Old 11-08-2010, 09:28 PM   #2
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Vapor barrier in the attic


ttt plz

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Old 02-19-2012, 10:54 AM   #3
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Vapor barrier in the attic


ttt plz
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Old 02-19-2012, 11:08 AM   #4
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Vapor barrier in the attic


how old is the house. depending on the age there wouldnt have been vapor barrier if its old enough. there should be vapor barrier directly under the drywall on all surfaces which actual attic space is directly behind.. both in the bathroom ceiling and the skylight wells
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Old 02-19-2012, 11:14 AM   #5
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Vapor barrier in the attic


It was built in 1981.

There is vapor barrier on the ceilings (in the attic anyway).

If I removed the insulation, could I wrap and staple the plastic around the studs and then put the insulation back in?

If it's been like this since new, what's the worst that could happen if I left it as is?

Last edited by burnt03; 02-19-2012 at 11:18 AM.
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