Voluntary Product Standard PS 2-18, Performance Standard for Wood Structural Panels

This NIST voluntary product standard establishes structural criteria for assessing the acceptability of wood structural panels for construction sheathing and floor applications. It covers performance requirements, adhesive bond performance, panel construction and workmanship, dimensions and tolerances, marking, and moisture content of wood structural panels.

Wood structural panels include structural plywood, oriented strand board (OSB), other mat-formed panels and composite panels.

This publication is designed for: engineered wood manufacturers, engineers, architects, code officials

Key sections include:

• Scope

• Terminology

• Reference publications

• Classification

• Qualifications testing and mill specification

• Test methods

• Trademarking and certification

• Effective date and identification

• Appendices also cover

  • Shipment reinspection practices

  • Qualification flow chart

  • History of standard and comments on the current edition

  • Recommended thickness labels

  • Labeling guidelines based on the uniform packaging and labeling regulations of NIST handbook 130 and Handbook 133.

  • Formaldehyde

  • Example APA Trademarks

Published by APA — The Engineered Wood Association.