Haven't pulled the trigger yet, but after getting some estimates, I'm pretty sure I'm going to have the walls open cell foamed(5+"). The attic will get flashed with 1"- 2" open cell, then a whole lot of cellulose, blown in. Hoping to get to approx. R-40+ in the attic for starters. I still have a lot of plumbing and wiring to run first, though. Thanks for sharing your experience!
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