A measure of performance

PIMA updates third-party verification to determine insulation's effectiveness

National interest in energy conservation and efficiency is skyrocketing, and national policies and initiatives are following. For example, the International Code Council's International Energy Conservation Code and ASHRAE 90.1-2013, "Energy Standard for Buildings Except Low-Rise Residential Buildings," seek significant increases in energy savings in residential and commercial buildings; The American Institute of Architects has pledged to have net zero energy buildings by 2030; and President Obama's Better Buildings Initiative calls for commercial buildings to be 20 percent more energy-efficient. The list goes on.

In response, roof system designers, roofing contractors and property owners are finding innovative ways to improve their buildings' energy performances and efficiencies. Many find insulation offers a critically important way to make any building—whether residential or commercial—more energy-efficient.

Measuring performance

The polyisocyanurate industry is taking strong action to improve the performance of its products and identify ways to accurately measure that enhanced performance. A crucial factor when choosing insulation, R-value measures insulation's resistance to heat flow. Architects, specifiers, building owners and roofing contractors expect R-values to accurately reflect insulation's long-term thermal resistance (LTTR).

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