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About Polyiso Insulation

Polyiso is one of North America’s most widely-used and cost-effective insulation products and has been cited by the U.S. Environmental Protection Agency for its responsible impact on the environment. Polyiso is a closed-cell, rigid foam board insulation used primarily on the roofs of offices, health facilities, warehouses, retail and industrial manufacturing facilities and educational institutions. Because of its high thermal performance in the home building market, it is product of choice for energy-aware homebuilders and consumers.

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Its many attributes include:

  • Highest R-value per inch of thickness
  • Moisture resistant, water repellent panel
  • Resistant to solvents used in construction adhesives
  • Excellent dimensional stability
  • Superior performance in fire tests – polyiso meets the strict standard of both FM Class Approvals 1 UL 1256/ULC S126
  • Service temperature range from -75 F (-60 C) to +225 F (+107 C) to reflect Canadian and US material standards
  • Long Term R-value (only roof insulation with third party certification)
  • Recycled content
  • Zero ozone depletion potential
  • Virtually no global warming potential
  • Nationwide availability

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