The American Iron and Steel Institute has published a new cold-formed steel framing research report, “AISI RP20-2: Development of a U-Factor Calculation Procedure for Cold-Formed Steel C-Shaped Clear Wall Assemblies.” The report is available for free download at http://www.buildusingsteel.org. The research was undertaken to support a new energy standard being developed by AISI’s Committee on Framing Standards. In addition to its work in research and development, AISI is an American National Standards Institute-accredited developer of American National Standards. The new standard, AISI S-250, North American Standard for Thermal Performance of Building Envelopes with Cold-Formed Steel, is being prepared for public … Read more