Where is the correct vapor barrier location in Chicago?
...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". So 2 batts will fit in the area. What to do ab...