Kee Line Into OSB

Please see the below from Bill from a previous ticket relating to plywood vs OSB.

Paul Fisette (UMass Amhearst) in the article "Choosing between oriented strandboard and plywood" (link below) writes:

"Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood.This is one of the reasons osb is used for webs of wooden I-joists. However, nail-holding ability controls performance in shear wall applications."

As well, the same article indicates that nail-holding ability is lower in OSB than plywood. Also, another article I found that tested screws in OSB and plywood showed the same tendancy.

Therefore I would conclude that the thought earlier that the governing behaviour would be pull-through, now appears that the connection from the OSB to the roof joists themselves might be. This will have to be confirmed by the building designer/owner's engineer or similar such person.

The conclusion must be to control the input loads somewhat by not letting the spans between anchors being greater than 9m.

Furthermore, recommend to the building owner to confirm the fastening method.

https://bct.eco.umass.edu/publications/articles/choosing-between-oriented-strandboard-and-plywood/

Plywood Test report - https://keesafety.egnyte.com/dl/tpHMpbDgwTGQ