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by nz_WI
Fri Mar 11, 2016 2:58 pm -1100
Forum: Material
Topic: WUFI Wall Assembly R-Value vs. Manufacturer Nominal R-Values
Replies: 0
Views: 18744

WUFI Wall Assembly R-Value vs. Manufacturer Nominal R-Values

I'm new to WUFI (and building science in general), and while constructing a wall in the Assembly/Monitor screen I noticed that the Total Thermal Performance value is vastly different from the nominal values that manufacturers provide. For example, XPS is generally state to be R-5 per 1 inch. However ...