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Polyiso Insulation

Polyiso is one of the Nation’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.  Because of its high thermal performance in the home building market, it is the product of choice for energy-aware builders and consumers.

Polyiso’s many attributes include:

  • Highest R-value per inch of thickness
  • 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 (FM 4450) and UL 1256
  • Service temperature range from -100F to +250F
  • Long Term R-value
  • Recycled content
  • Zero ozone depletion potential
  • Virtually no global warming potential
  • Nationwide availability

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