The Steel Framing Alliance acknowledges Bill Kraft of the Steel Framing Alliance and George Frater of the Canadian Steel Construction Council as the Primary Authors of the first edition of this guide, which was published in 2004.

The Steel Framing Alliance is grateful to George Frater of the Canadian Steel Construction Council for his ongoing effort to keep this guide current and to serve as Primary Author of each of the updated editions, which were published in 2005, 2006, 2007, 2009, 2012 and 2013.

The Steel Framing Alliance also appreciates the guidance and feedback provided to the Primary Author by the members of the Fire and Acoustic Task Group of the Cold-Formed Steel Engineers Institute and more recently from a “Technical Review Board” composed of four steel industry members.

Acknowledgement is also made for the financial support provided by the Steel Stud Manufacturers Association for the NRCC Phase II joint research project on the Fire and Acoustical Performance of Floor Assemblies.