NIST Proposes Updates to Wood Structural Panels Performance Standard
Published Date: 9/11/2026
Notice
Summary
NIST is updating the rules for wood panels used in building floors and walls to make sure they’re strong and reliable. This affects manufacturers, sellers, and builders who use these panels. You’ve got until October 13, 2026, to share your thoughts, and these changes aim to keep construction safe without adding extra costs.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
New Accredited Certification and Marking Rules
The proposed PS 2-25 adds new marking and certification provisions including an Accredited Certification Agency, Accredited Inspection Agency, Accredited Testing Laboratory, and a subsection on Outsourcing (Subcontracting) in Section 8. If you make or test wood structural panels and choose to follow the standard, you may need to work with or obtain accreditation from these agencies.
New Quality Assurance Requirements for Panels
PS 2-25 adds a new Section 9 on Quality Assurance Requirements that includes Manufacturing Quality Program, Inspection and Test Program, Sampling and Corrective Action. If you manufacture wood structural panels and opt into the standard, you would need to implement these quality assurance elements.
Updated Definitions, Tests, and Product Categories
The proposed revision adds definitions (Lot, Span Rating, Veneer), adds Bending Strength information (section 6.4.2.1), adds a 3/8 Category 24/0 entry in Table 4, and updates test procedures and figures (including Static Bending Stiffness and conversion fixes). These changes set clearer criteria for accepting wood structural panels used for construction sheathing and single floor applications.
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