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ThermalStar® Wall Insulation

Insulation is a vital component of a building’s envelope and contributes to the overall energy efficiency performance. ThermalStar's versatile line of wall products offers high-performance continuous rigid insulation for all your wall sheathing needs.

With more than 50 years of experience, all of our 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
  • Stable, long term R-value to protect your structure for years to come
  • Minimal long-term moisture retention with the ability to dry quickly
  • High vapor permeability increases the moisture durability of the built assembly
  • 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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ThermalStar Continuous Wall Insulation