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Old 05-24-2013, 10:00 PM   #16
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Insulating Low Pitched Roof with Vaulted Ceilings Inside

If the coating worked you would see many many more white colored (coated) roofs... vent the roof (add ridge vents) and insulate to minimum code requirements for your location (R-30) http://publicecodes.cyberregs.com/ic..._11_sec002.htm

More on unvented, expect a 10% service life reduction for asphalt shingles; http://www.buildingscience.com/docum...on?full_view=1

Hot climates; http://www.buildingscience.com/docum...n-hot-climates

Check with your local AHJ, venting may be required.


If any ads are present in my answer above, I do not condone/support/use the product or services listed, they are there against my permission.
Gary in WA is offline   Reply With Quote

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