I searched first, couldn't find the answer to this. Our basement is half-insulated with batt insulation. I wanted to insulate the bottom half with batt insulation but I don't know if I have to (or should) frame the basement.
I read this: http://www.buildingscience.com/docum...ts?full_view=1
It says it's most common to frame the basement and insulate between the studs, but I'm not ready to do this yet. I just wanted to insulate the bottom half before our 2nd energy audit is due in a couple months.