OSB Frequently Asked Questions

What are OSB's performance standards?

OSB panels are manufactured to meet U. S. Department of Commerce Voluntary Performance Standard PS 2-92 "Performance Standard for Wood Based Structural Panels" and/or Canadian performance standard CSA 0325 "Construction Sheathing" (and/or CSA Standard 0437.0 "OSB & Waferboard").

OSB is certified to meet these standards by APA - the Engineered Wood Association, TECO (or PFS), PSI, or other major wood certification organizations. In addition, OSB is regulated in all model building code organizations - ICC, BOCA, ICBO, NBCC, CABO, and SBCCI. OSB is manufactured to meet the Exposure 1 durability classification, meaning panels are appropriate for use where construction delays may occur.

In Europe, OSB panels are manufactured to meet EN-300, Oriented Strand Boards and are certified by national certification agencies.

For Japan, OSB panels must meet JAS requirements and can be certified by recognized North American certification agencies.

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