This standard covers the manufacturing, qualification, and quality assurance requirements for cross-laminated timber (CLT).
Download ANSI/APA PRG 320-2012: Standard for Performance-Rated Cross-Laminated Timber, the current version of the approved standard.
Download ANSI/APA PRG 320-2011: Standard for Performance-Rated Cross-Laminated Timber, the previous version of the approved standard, which was adopted by the 2015 International Building Code (IBC). The 2011 edition of ANSI/APA PRG 320-2011 is no longer maintained as an American National Standard and has been superseded by the 2012 edition as an American National Standard. The Secretariat can be contacted for additional details.
ANSI/APA PRG 320 Committee Members
View the current ANSI/APA PRG 320 Membership Roster.
To apply for membership, dowload the PRG 320 Committee Application Form.
There is no active ballot available to download at this time.
ANSI/APA PRG 320-2012 — Archival Information
January 26, 2012, Conference Call
ANSI/APA PRG 320-2011 — Archival Information
August 25, 2011, Webinar
May 19, 2011, Webinar
March 11, 2011, Webinar
January 7, 2011, Webinar
September 30, 2010, Webinar
June 29, 2010, Webinar
March 11, 2010, at APA Headquarters in Tacoma, Washington