CRRC AMERICAN NATIONAL Standards Development

Last page update: May 10, 2021

The current edition of ANSI/CRRC S100 - “Standard Test Methods for Determining Radiative Properties of Materials” was approved by the American National Standards Institute (ANSI) on March 29, 2021.

Click here to download ANSI/CRRC S100 (2021).

Click here to view the errata for ANSI/CRRC S100 (2021).

 

Recent Update of ANSI/CRRC S100 Standard

The ANSI/CRRC S100 standard was recently revised in accordance with CRRC and ANSI requirements. The revisions to the standard derived from the CRRC, public comments, and ballot comments that were evaluated and approved by the CRRC Consensus Body during the public review process held between 2019-2020 (see Key Milestones below). The CRRC Consensus Body approved the revised draft standard on June 30, 2020, followed by approval by the CRRC Board of Directors on September 24, 2020 and ANSI on March 29, 2021. 

Key Milestones

  • Consensus Body Balloting to Approve Proposed Revisions: May 10, 2019 - June 9, 2019
  • First Public Comment Period on Approved Proposed Revisions: June 14, 2019 - July 29, 2019
  • Consensus Body Recirculation Balloting to Approve Proposed Revisions: August 13, 2019 - August 27, 2019
  • Second Public Comment Period on Approved Proposed Revisions:  September 27, 2019 - November 11, 2019
  • Consensus Body Recirculation Balloting to Approve Proposed Revisions: January 20, 2020 - February 3, 2020
  • Consensus Body Recirculation of Unresolved Objection: March 2, 2020 - March 16, 2020
  • Third Public Comment Period on Approved Proposed Revisions: April 10, 2020 - May 26, 2020
  • Consensus Body Final Balloting to Approve Revised Standard: June 1, 2020 - June 30, 2020
  • Procedural Appeals Period: August 3, 2020 - September 2, 2020
  • CRRC Board of Directors Approval of Revised Standard: September 24, 2020 
  • ANSI Approval of Revised Standard: March 29, 2021

 

BACKGROUND

The CRRC became an ANSI-Accredited Standards Developer Organization in 2007. After a three-year standards development process, the first edition of “ANSI/CRRC S100 - Standard Test Methods for Determining Radiative Properties of Materials” (formerly CRRC-1 Standard) was approved on November 16, 2010. The standard is currently in its fourth edition (approved by ANSI on March 29, 2021).

The ANSI Essential Requirements and the CRRC's accredited procedures specify that the process for standards development must be a collaborative, balanced, and consensus-based approval process. As such, every few years the standard must go through a public review process. As part of this process, consensus must be reached by representatives from materially-affected and interested parties. The ANSI/CRRC S100 standard was developed with input from the public and the CRRC Consensus Body, a balanced group representing diverse interests, ensuring that all aspects of the standard are considered.

The ANSI/CRRC S100 standard covers test specimen preparation and test methods for measuring the initial and aged radiative properties of roofing products. The standard is referenced by building codes and rating programs worldwide in order to measure the initial and aged solar reflectance and thermal emittance of roofing products.


FREQUENTLY ASKED QUESTIONS

What is the ANSI/CRRC S100 standard?

The ANSI/CRRC S100 standard (formerly CRRC-1 Standard) is an American National Standard developed through a consensus process in accordance with ANSI and CRRC requirements that provides a consistent reference in energy and building codes regarding the measurement of the surface radiative properties of roofing materials. The standard covers specimen preparation and test methods for measuring the initial and aged solar reflectance and thermal emittance of roofing products.

What is ANSI?

The American National Standards Institute (ANSI) is a distinguished non-profit organization that coordinates the development of voluntary consensus standards in accordance with the ANSI Essential Requirements, which requires the process for standards development to be fair, open, and balanced.

How often is the ANSI/CRRC S100 standard updated?

The CRRC updates the ANSI/CRRC S100 standard approximately every three years. The primary reason for updating the standard is to incorporate changes made to the CRRC's Product Rating Program that are related to radiative properties measurement, including new test methods and practices adopted by the CRRC since the last update of the ANSI/CRRC S100 standard.

Can the public submit proposals to update the ANSI/CRRC S100 stabdard or for the development of a new CRRC American National Standard outside of a regular cycle?  

Yes, proposals to update the ANSI/CRRC S100 standard or proposals for the development of a new standard can be submitted at any time. The proposer must use the CRRC Standards Proposal Submission Form. If the CRRC is proposing revisions to the ANSI/CRRC S100 standard, and the proposal is related to those proposed revisions, then the CRRC S100 Public Comment Form (only available during a CRRC public comment period) must be used.

Where can I find a copy of a previous edition(s) of the ANSI/CRRC S100 standard (formerly the CRRC-1 Standard)?


Contact Us

For questions about the ANSI/CRRC S100 standard or the public review process to update the standard, please contact Sarah Schneider, (503) 606-8448 ext. 502.