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
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
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