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

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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.


Click on the title to download document below.

Active Ballot

There is no active ballot available to download at this time.

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