Standard for Performance Rated Cross-Laminated Timber PRG 320
The current version of the approved standard ANSI/APA PRG 320-2012: Standard for Performance-Rated Cross-Laminated Timber can now be downloaded free in PDF format. The previous version of the standard, ANSI/APA PRG 320-2011, which has been adopted by the 2015 International Building Code (IBC), is also available for download. This standard covers the manufacturing, qualification, and quality assurance requirements for cross-laminated timber (CLT).
Membership for APA Standards Committee on PRG-320
Download a PDF of the Committee Membership Roster. Are you interested in becoming part of this committee? Download the Application Form.
Archived Committee Ballot Information
- Committee Ballot 1 for PRG 320-2012: Issued May 14, 2012 and closed June 15 (ANSI Public Comments open until July 9, 2012) Click on the links to download the Committee ballot form, Ballot Results, and Ballot Results Summary for this ballot.
- Committee Ballot 2 for PRG 320-2012: Issued August 7, 2012 and closed September 10, 2012 (ANSI Public Comments open until October 1, 2012). Click on the links to download the Committee ballot form, Ballot Results, and Ballot Results Summary.
- Committee Ballot 1 for PRG 302-2011: Issued June 27, 2011 and closed July 28, 2011 (ANSI Public Comments open until August 22, 2011)
Click on the links to download the Committee ballot form, Committee ballot draft and Red-lined Committee ballot draft for this ballot. Click on the link to download the Ballot Resolutions. - Committee Ballot 2 for PRG 320-2011: Issued October 17, 2011 and closed November 18, 2011 (ANSI Public Comments open until December 5, 2011)
Click on the links to download the Committee ballot form and Red-lined Committee ballot draft for this ballot.
Archived Committee Meeting Information
- Committee Meeting 1 for PRG 320-2012: January 26, 2012 (Conference Call)
Download the Committee Meeting Agenda, Change Proposals, and Committee Meeting Minutes for this meeting. - Committee Meeting 1 for PRG 320-2011: March 11, 2010 at the APA Headquarters in Tacoma, WA
Click here to download the Committee Meeting Agenda, Meeting Reference Materials and Meeting Minutes for this meeting. - Committee Meeting 2 for PRG 320-2011: June 29, 2010 (webinar)
Click here to download the Committee Meeting Agenda, Meeting Reference Materials and Meeting Minutes for this meeting. - Committee Meeting 3 for PRG 320-2011: September 30 2010 (webinar)
Click here to download the Committee Meeting Agenda, Pre-Draft Standard, Meeting Presentation, and Meeting Minutes for this meeting. - Committee Meeting 4 for PRG 320-2011: January 7, 2011 (webinar)
Click here to download the Committee Meeting Agenda, 75% Draft Standard, Meeting Materials and Meeting Minutes for this meeting. - Committee Meeting 5 for PRG 320-2011: March 11, 2011 (webinar)
Click here to download the Committee Meeting Agenda, 80% Draft Standard, and Meeting Minutes for this meeting. - Committee Meeting 6 for PRG 320-2011: May 19, 2011 (webinar)
Click here to download the Committee Meeting Agenda, 90% Draft Standard, and Meeting Minutes for this meeting. - Committee Meeting 7 for PRG 320-2011: August 25, 2011 (webinar)
Click here to download the Committee Meeting Agenda and Draft Meeting Minutes for this meeting.
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