I am building a 4x8 garden shed. The plans call for a PT floor frame of 2x4s on 16" center, and a sheet of plywood; all set on 4x4s. I don't have any PT 2x4s or plywood, but I have a big pile of 5/4x6 cedar that I would like to get rid of.
Would it be reasonable to substitute the 5/4x6s run the 8' direction, and then another layer of them run the 4' direction? I can throw in a few more
4x4s than the plan calls for, since I have plenty of those too.Also, since the 5/4x6s have been stored outside and are pretty wet, could I just put them up against each other, figuring they are much more likely to get smaller when they dry out, than expand?