Plywood vs. OSB: Which is Better?

I read this article today in ProSales magazine and found it very interesting…. My personal opinion is that OSB performs well on the wall and floor but stick to CDX Plywood on the roof.

Far too often I see OSB “sag” between the trusses making your roof look wavy. Although, OSB typically offers a higher shear rating which adds rigidity to your structure.

Over the years I have seen claims for plywood decking delaminating, which can cause squeeks and knocks between the ply’s.

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