Wow..sometimes it amazes me that when other folks are doing the same thing at the same time. Anyway, I have been pricing out what it will cost to insulate and frame my basement (which is also about 1000 sq ft.). I just used prices that I found online for supplies from Lowes using the following:
2" XPS foam + adhesive
2x4 studs (treated for bottom)
as well as roll insulation between studs (R10)
I have a spreadsheet at home that I will double check, but I believe that it was somewhere around $1900. I'll check when i get home and get back to you. I also priced it out using 1" XPS to be about $1300.
FYI, my basement consists of 2 standard size doors, 1 double door, and 2 (~5ft wide) windows...which obviously decreases the square footage of the walls.
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