Recommended Modified zone Method Correction Factor for Determining R-values of Cold-Formed Steel Wall Assemblies
Description:
Currently, ASHRAE has determined the zone method and modified zone method are appropriate calculation methods for materials with a high difference in conductivity, such as cold-formed steel (CFS) walls. Because there is currently no standard U-Factor calculation method for CFS walls, designers and code officials alike tend to resort to the zone method. However, the zone method is restricted to larger span assemblies because the zone factor coefficient is 2.0. This tends to overestimate the amou…
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Date:
May 2011
Creator:
Black, John
Partner:
UNT Libraries