Posted 2/11/2019 16:53 (#7314185 - in reply to #7313330) Subject: RE: Spray foam building
Close cell foamed mine 6 years ago right on tin. Firm that did it said they had done their own shop that way many years ago with no issues. I did 2 inches in walls and 3 inches in ceiling. Very tight.Very efficient. As far as i can see i would do it again.