Insulating a metal shop?

also closed cell spray foam is air tight it will seal your building like nothing else. Also it will have the building rock solid it’s like glue that holds everything together . I also laced my building in t-11 to give it more of a barn feel. Again worth the money to me. IMG_5406.jpegIMG_7271.jpegIMG_9942.jpegIMG_2340.jpeg