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Rich Rich is offline
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Posts: 32
Default insulation moisture??

Thanks for all the responses.

The moisture is on the floorboards, and it doesn't appear to be coming
from the celing at all. I walk up to the attic to find spots on the
floor that are wet on the plywood foor. The only curious thing is it
only happens on the side of the attic where our window is...which led
me to believe it's a venting issue...the window leaks like crazy.

On Feb 29, 9:31*pm, wrote:
On Feb 29, 7:10 pm, cavedweller wrote:

On Feb 29, 8:39 pm, "Joseph Meehan"
wrote: * * Where are the damp spots? *On the ceiling below, on the top of the
floor, around vents on the roof???? *You installed the insulation correctly,
but there may be air leaks below it.

I pictured condensation dripping from the now colder roof onto the
plywood floor. *Perhaps the OP could clarify.

I'm picturing moisture going through the ceiling drywall or holes in
the drywall for lights, etc., through the insulation, and into the

If the house is in a relatively cool/cold climate, there should be a
vapor barrier on the WARM side of the insulation, to prevent just this
sort of thing. *Assuming, of course, that what I am picturing is
closely related to the truth....