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Comfortbatt®

ROCKWOOL Comfortbatt® is a stone wool batt insulation designed for thermal performance in exterior wall cavities, exposed floors, basements/crawlspaces and attic applications in both wood and steel framing.

Comfortbatt Pack and loose piece image
 3D render image - product image
Installing insulation

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  • UL Classified - CA/USA
  • UL GREENGUARD Gold Certified
  • USDA BioPreferred Program - 25%

Popular applications

  • Exterior wall insulation
  • Framed wall cavity insulation
  • Below-grade insulation
  • Basement wall insulation
  • Exposed floor insulation
  • Roof insulation
  • Attic insulation

About Comfortbatt®

ROCKWOOL Comfortbatt® is a stone wool thermal batt insulation for exterior wood and steel studs. It's designed for exterior wall cavities, exposed floors, basements/crawlspaces and attic applications.

Comfortbatt features a unique flexible edge that allows for easy installation and helps prevent over compression to maintain its R-value, and is an effective way to improve a home’s energy efficiency.

Comfortbatt is noncombustible and fire resistant, and offers water and moisture resistance.

  • Wide range of available R-values
  • Noncombustible and fire resistant
  • Long term thermal performance
  • Water and moisture resistant
  • Easily cut with a serrated knife
  • Inorganic, does not promote mold growth