Guest User
3/2/2008
I built a garage with a metal roof on it. It is over 2x6 perlins with a foil/bubble/foil between the metal roof and the 2x6 perlins. I also used foam seals under the metal between the flashing at the eve and the ridge cap as well as the gambrel flashing. The inside of the 2x6 perlins has fiberglass insulation stapled to the underside of the perlins. My problem is condension between the double bubble foil and the metal. The foam closure strips keep air from flowing under the metal (between the double bubble and metal). Did I make a mistake by putting the foam closure strips in?
Todd Miller
Isaiah Industries, Inc.
3/21/2008
Were the strips vented or solid? Perhaps check into prpfilevent.com Can you add a more complete vapor barrier to the bottom side of the roof?
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