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Re: plywood

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For the 2007 CBC, APA PS 1-95 is for plywood, PS 2-95 is for OSB.  They are considered equivalent and are generally described as "APA Rated Panels." 
 
Paul Guthrie, PE
Building & Safety
City of Simi Valley


>>> David Topete <d.topete73(--nospam--at)gmail.com> 04/16/2009 8:11 AM >>>
My understanding is that the shear values in Chapter 23 of the CBC are for sheathing panels that are rated. I believe the common spec is "per APA PS-1" (can't remember off hand). However, regardless if ply or OSB, as long as the panel bears an APA stamp with the span rating and PS-1, then it provides the shear capacity listed in Tables 23-II- whatever... HTH.

--
David Topete, SE


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