Much like yourself Travis - I tend to go a little overkill. I used 16 ga for my floors. I to was concerned with strength, but also interior noise. The factory floors are thinner (18 or 20 ga)- but as you know, with all the bends, beadrolls and supports they are able to form, is extremely strong. With that said - if you have a bead roller, which I'm sure you do, 18 gauge would probably be sufficient.
Brent
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