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ThermalStar® Roof Insulation

Insulation is a vital component of a building’s envelope and contributes to the overall energy efficiency performance. ThermalStar's versatile line of roofing products offers high-performance rigid insulation for all your new and re-roofing needs. We have a dedicated department to help meet the design and specification needs of your project!

With more than 50 years of experience, all of our roofing products are manufactured under an industry-leading quality control program monitored by UL and ICC-ES. ThermalStar Rigid Insulation provides unmatched quality, with a stable long-term R-value that will last the lifetime of your structure.


  • Multiple thicknesses and compressive strengths
  • Design flexibility for custom roof profiles
  • Stable, long term R-value to protect your structure for years to come
  • Minimal long-term moisture retention with the ability to dry quickly
  • Environmentally friendly with a low global warming potential and zero ozone depletion potential
  • Limited lifetime warranty for physical and thermal performance
CTA Architectural 580x387
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