Thread: Alaskan Home Energy Upgrade Project
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Old 11-17-14, 10:41 PM   #17
theoldwizard1
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Quote:
Originally Posted by Erich_870 View Post
2.4 Add R-40 ridged foam on foundation walls.
2.5 Add R-40 ridged foam around inside perimeter of foundation footing
That is 6" of polyisocyanurate according to my chart !
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