The subject kinda says it, but what would be a reasonable plywood to use for a porch roof? There are so many sizes available and CDX versus OSB. I was shocked that the 1/2 OSB I can get for about $6 a sheet and the 5/8 CDX is closer to $22 per sheet.
The p[orch roof is relatively flat, 16"OC framing...is it worth 4X the money to use CDX? or should I save a bundle and use the OSB? I'll need about 12 sheets to do the job.
Lastly, what would be the appropriate nail size for the plywood you recommend...I was thinking 8d commons...
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