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Old 01-11-2010, 07:08 PM   #1
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Insulation under metal roofing


I know this is kinda early to start thinking about a new roof. However I now have plenty of time. My question is is it ok to Use 2 inch Polyisocyanate insulation with alum foil on both sides under a metal roof.
The roof will be a screwed down type and I will be removing my existing
shingles prior to re-roofing.
Thanks in advance.

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Old 01-11-2010, 11:23 PM   #2
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Insulation under metal roofing


yea sure but consider adding a vent space

http://www.hpanels.com/pages/pdfs/Li.../Cool-Vent.pdf

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