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WC Iowa | We were in the same boat as you last winter. Here's what we did.
We also have raised chord trusses, and went back and forth ALOT, on which way to go, Morton tin, lumberyard tin, span 7.5' etc...
We ended up putting 2x4's inbetween the trusses. They are on 4' centers. I've seen 26 ga steel span the 7.5' but I feel the 2x4's inbetween the trusses help stiffin it up
We have 3/4 T&G OSB 8' high then 29ga steel the rest of the way up. I don't feel the echo is bad at all, if any.
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Attachments ---------------- shop resize.jpg (48KB - 444 downloads) shop resize2.jpg (40KB - 412 downloads)
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