Just spray foamed my shop, to give you and idea shop is 42x96x17. I did 4” on ceiling 3” on walls all closed cell. was 46k paid cash so that saved me 3k was to be 49k. Well worth the money would do it again its 100 degrees out side 76 inside. So save money you could bat and flash. 2” spray foam then use batting but the spray foam seals every hole and crevice also makes your shop walls solid. Batting would make your steel flex again costly but well worth it. I framed first for a mezzanine i will be building. Jesse
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