Helping my buddy build the 'Iceassin #2"
2 end panels of 3/8" × 7H × 5W OSB with 2 × 2 framing. Original was 1/4" × 7'H × 4W which worked fine. Just wanted a little extra width. 3/8" is a little overkill imo.
1/4 × 4" lag bolts for attaching support bars. More pics as we go.