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.
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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





