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Voluntary Product Standard PS 20-25 - American softwood lumber standard

Publication Year

2025

Document Status

Current

Abstract

Voluntary product standard that establishes sizes, green/dry relationships, methods of assigning design values, industry nomenclature, inspection provisions, re-inspection provisions, and grademarking requirements for American softwood lumber.

Document History

January 2025 edition. Supersedes the January 2020 edition (Revision 1, October 2021).

Publisher Information

US Department of Commerce

The US Department of Commerce promotes job creation and economic growth by ensuring fair trade, providing the data necessary to support commerce and constitutional democracy, and fostering innovation by setting standards and conducting foundational research and development.

Herbert C. Hoover Building
1401 Constitution Ave NW
Washington, DC
US-DOC
USA

Website: https://www.commerce.gov/
Tel: +1 202 482 2000