Understanding the APA Grade Stamp

Have you ever looked at the stamp on your OSB or plywood and wondered “What’s this for?” Well, wonder no longer!

08.15 APA Stamp1. Panel grade

2. Span rating

4. Bond classification

5. Mill thickness

6. Mill number

7. Product standard

8. APA’s performance rated panel standard

9. Performance Category

12. HUD recognition

16. Panel face orientation indicator

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Categories: The More You Know | Leave a comment

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