ANSI/APA PRG 320: Standard for Performance-Rated Cross-Laminated Timber

ANSI/APA PRG 320: Standard for Performance Rated Cross-Laminated TimberDownload ANSI/APA PRG 320-2019: Standard for Performance-Rated Cross-Laminated Timber, the current version of the approved standard.

This standard covers the manufacturing, qualification, and quality assurance requirements for cross-laminated timber (CLT).

ANSI/APA PRG 320 Committee Members

View the current ANSI/APA PRG 320 Membership Roster.

To apply for membership, download the PRG 320 Committee Application Form.


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Standard Interpretation

December 3, 2018

PRG 320 interpretation regarding adhesives, temperature and assembly time

Archival Information

Final Ballot for ANSI/APA PRG 320-2019
october 2019