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Re: Nails to Metal Truss

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See if there is some sort of ICC report on these nails and whether they have any published withdrawal values.  Screws would have been better.

Andy Richardson wrote:
Has anyone heard of a valid use of 8d spiral nails for attaching 5/8" OSB to metal trusses.  I am working on a porch addition to a 3-year old school where this was done on the roof.  I am concerned that the nails will not be adequate for uplift.  This project is in a 130 mph, exp b location.  The uplift forces at the corner can be ~75 lbs per nail based on a 6" pattern.

Andy Richardson
Beaufort, SC