Feature Article

Go with the Flows: The Promise and Peril of Hygrothermal Modeling

Tools modeling heat and moisture flows in building envelopes, such as WUFI, offer vital information for architects and engineers-but their misuse can do harm.

April 2, 2014

Quick: what’s the worst design mistake you’ve ever made?

Chances are it had something to do with heat and moisture transfer: cavity insulation that molded because it couldn’t dry; a roof damaged by moisture-laden air leakage; a cold steel stud on which water condensed, wicking into surrounding materials.