Support-width factor for plywood
Support-width factor for plywood
(OP)
Hello All,
I find that the American Plywood Association specifies a support-width factor, equal to 0.25 inch for two-inch nominal lumber framing and 0.625 inch for four-inch nominal lumber framing. I have six-inch nominal lumber framing. Any ideas what support-width factor I should be using?
Thanks!
I find that the American Plywood Association specifies a support-width factor, equal to 0.25 inch for two-inch nominal lumber framing and 0.625 inch for four-inch nominal lumber framing. I have six-inch nominal lumber framing. Any ideas what support-width factor I should be using?
Thanks!
EIT






RE: Support-width factor for plywood
The APA tables assume 2X supports for spans less than 48" and 4X supports for spans of 48", or greater. IMHO, for 6X supports just go with the published values.
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