Tongue and Groove Ceiling w/ 6mil VB - Enough?
I am building a bonus room over my garage... above the room is attic space with no current insulation. I have already installed a 6 mil vapor barrier to the joists and then put up the tongue and groove beadboard ceiling. I plan on blowing in R49 fiberglass insulation in the attic. I'm in Nashville, TN.
Will this be adequate to prevent mold and moisture issues in the attic? What about efficiency?
I did not want to put drywall between the joists and the ceiling panels since the overall ceiling is rather low and every 3/4" matters significantly.
Please let me know of any concerns... I would hate to have to tear the ceiling down after spending so much time and money on it, but I don't want moisture or mold problems either.
Posted Nov 8, 2012 3:51 PM ET
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