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I am a contractor in the Austin area. My customer will be going back with a 22ga standing seam Galvalume roof system. Homeowner currently has radiant barrier decking. In addition, the customer has the A/C ducts furred in on the interior of the home, so all ducts are in air-conditioned space.
What is your best recommendation for energy-efficient installation (battens, airspace, ISO, etc.)? How will the radiant barrier come into play with our choice of install?
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I would suggest a metal roof with a reflective pigment coating.
You could also cross batten on top of the existing sheathing and then ventilate the resulting chamber.
6/29/2009
Or copy this URL: https://www.metalroofing.com/spirit/comment/13518/find/Isaiah Industries, Inc.
7/4/2009
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