I need a little help with load calculation for a lean to replacement on a barn. For the rafters I plan to use 2x8 x 26' white pine better than #2. The first support post (6x6) will be 17' from the barn I can not put it or another closer. Lean to will be 16' wide w one post on each side. Tin roof 26 gauge. I don't know pitch yet probably more horizontal. What spacing for the rafters? I don't want it to heavy. Atlanta Georgia area.
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Join date : 2019-02-21
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