Tag Archives: Polyiso Roof Insulation

Influence of gaps on roof insulation performance

September 20, 2018 nithya_caleb

Experiments conducted by RDH Building Science, National Research Council Canada (NRC), and a manufacturer of insulation materials have confirmed the presence of gaps between boards of insulation will cause a reduction in its R-value.

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Resilient building codes offer challenges and opportunities for the construction industry

April 25, 2018 Katie Daniel

Climate change is already having an effect on communities across Canada. Some are facing increased droughts; others, more intense storms. Weather-related emergencies like heat waves, flooding, and forest fires are on the rise.

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PIMA releases roof insulation research on cold climates

July 27, 2015 Katie Daniel

The Polyisocyanurate Insulation Manufacturers Association (PIMA) developed a research report in response to recent articles questioning the thermal performance of polyiso roof insulation in colder climates. According to “Thermal Resistance and Mean Temperature: A Report for Building Owners and Design Professionals,” polyiso roof insulation R-value shows no significant variation among North American climate zones.

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