Pressure Treated Plywood - How to tell?

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tonynoriega

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So I guess I should have asked this before I started cutting plywood... However, important none the less.

I looked at the stamping on my plywood, but am not sure if it is pressure treated or not.

Are there any markings on the plywood I should look for?

I see the stamp says "APA sheating recommended for exterior use..."

that's about all I can really make...
 
I would have say what you have is C-D-X plywood and is NOT pressure treated.
 
PT is green and often wet, go to the wood store and ask for PT ply and see what it looks like.
What others said, CDX roofing sheeting.
 

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