NRCA's EnergyWise Roof Calculator has been updated with new IECC and IgCC codes
NRCA's EnergyWise Roof Calculator Online has been updated to include information from the 2012 version of the International Code Council's International Energy Conservation Code (IECC) and the 2012 version of the International Green Construction Code (IgCC).
In addition, new minimum long-term thermal resistance values for polyisocyanurate insulation, effective Jan. 1, 2014, have been included. EnergyWise Roof Calculator Online is available for free on NRCA's website, www.nrca.net.
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