Polyiso is a closed-cell, rigid foam board insulation used in roof and wall assemblies within commercial and residential buildings of all types. Because of its high thermal performance, it is the product of choice for energy-aware architects, specifiers, builders, building owners, contractors, and consumers. As one of North America’s most widely used, most readily available, and most cost-effective insulation products, Polyiso has been cited by the U.S. Environmental Protection Agency for its responsible impact on the environment. (Health & Environment page)

Whether for roof or wall, Polyiso offers:

  • A high R-value per inch compared to other insulation products used in commercial and residential construction
  • An exclusive third-party thermal performance certification
  • Outstanding installed cost advantages and economical cost per R-value
  • The ability to achieve today’s code required R-values while minimizing space, material, and labor requirements without breaking the bank
  • Superior performance in fire tests
  • Ease of use and peace of mind, as Polyiso products are designed for use in an expansive assortment of tested, approved, and code-compliant applications

For more than 30 years, the Polyisocyanurate Insulation Manufacturers Association (PIMA) has served as the unified voice of the rigid Polyiso industry, proactively advocating for safe, cost-effective, sustainable, and energy-efficient construction. PIMA’s members, who first came together in 1987, include a synergistic partnership of Polyiso manufacturers and industry suppliers. Polyiso is one of North America’s most widely used and cost-effective insulation products. To learn more, visit www.polyiso.org.