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I have a very lightly loaded plywood roof deck (or wall). Is okay to space ET&F pins at 12 on center everywhere?

April 26, 2017deck lightly loaded pins plywood roof wall

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I have a very lightly loaded plywood roof deck (or wall). Is okay to space ET&F pins at 12 on center everywhere?

1 Answer

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No. The maximum spacing of fasteners for plywood attachment should be 6 on center at supported edges and 12 on center at intermediate supports. Be sure to confirm maximum uplift values do not exceed allowable pin pullout values published in ICC ES-4144. Also see the ICC Reports for horizontal diaphragm and shear wall values.