Where is the correct vapor barrier location in Chicago?
I live in a 1970's era raised ranch in the metro Chicago area. The foundation walls raise 4.5 feet above grade. The floor joists on top of the wall extend out 30 inches from the foundation wall. There is an overhang, common in a lot of raised ranches. I want to insulate this "overhang" area. The floor joist is 7"....