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Cathedral Ceiling insulation

Posted by Steve on June 5th, 2001 06:56 PM

I have just replaced the cathedral ceiling, structure and all
in my living room. The contractor built the structure so that
moisture was trapped in the space between the decking and the
drywall. Rafters began sagging over time and decking rotted
away. I have now completely removed the roof structure and
replaced. I replaced with 2x10's and put 16" OC. I have placed
styrofoam baffles from the eave to the ridge in between each of
the new rafters. However, I could not get baffles made for
16" oc so I cut the 24" inch ones in half. That leaves a small
area of exposed decking on each side of the baffle. I cannot get
the high density insulation available for cathedral ceilings that
leaves a one inch air space.

Finally my question??? Will I have problems if I use the 9.5" R30?
It will possibly contact the decking in that area between the baffle
and the rafter. I do not want a repeat of my earlier problem.

Thanks for any help or advice.

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