I have a project underway to redo a couple of rooms in my basement. The house is from the early 70's and is basically new to me. Since I am happy with the current layout of the rooms, my plan was to rip down the old walls (cheap panel board) and just replace it with drywall. I would like to keep the existing wall framing to keep costs down. Well after taking out the old wall panels, I am finding that things don't exactly match what I have been reading about for basement framing. The framing was put up directly against the concrete foundation with nothing in-between. Stuffed in the gaps is insulation but again with nothing between it and the concrete foundation. The insulation and framing was covered between the wall panels with some sort of paper? and then plastic but the plastic was not sealed air tight. The sites I have seen on basement framing say you need to put insulation and plastic down behind the framing but it is obviously too late for that now. I don't have a lot of experience with this sort of thing but can I just cover up the existing insulation/framing with vapor barrier on the inside and seal it air tight?