When nailing OSB or, shear wall paneling. Do you nail 6 inches o.c. around the edges. And 12 inches in the field. Or is it the other way around.? 12 inches on o.c. around edges. And 6 inches o.c. inthe field. Thanks Tim
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As specified by the architect, engineer or AHJ. There are rules of thumb but if a true shear wall is called for the fastening schedule will be specified. The rules of thumb have the tighter spacing at the edges with more space between fasteners in the field.
Don't forget to block all seams--for this reason it is better to run the panels long side up instead of horizontally, tying in all the plates, all seams must occur on blocking for shear walls but not on standard sheathing.
the 6 and 12 rule comes from the Table 25 Q, UBC, footnote 5 (referring to subfloor, roof and walll sheathing:)
"nails spaced at 6" at edges, 12 inches at intermediate supports, except 6" at all supports where spans are 48" or more.
This would be code minimum nailing for sheathing or floorl but not shear wall--the shear wall nailing is always called out on the approved plans, usually with cross hatching and the nailing schedule given--if its not its not shear wall--nail the 6 and 12 and see what the inspector says
Edited 8/24/2002 10:53:56 PM ET by EXLRRP