ROCKWOOL Comfortboard 80 Rigid Stone Wool Board Available at Kuiken Brothers Locations in NJ & NY

Rockwool ComfortBoard 80 is now in-stock at Kuiken Brothers locations in NJ & NY. Comfortboard 80 is a rigid stone wool continuous insulation sheathing board that provides increased thermal performance to the building envelope that is non-combustible, water repellent, fire resistant and sound absorbent.

It is designed for use as an exterior continuous insulation in residential and commercial construction as it provides a continuous layer of insulation around the building envelope.

Comfortboard 80 does not produce smoke or propagate flames, providing a critical line of defense that keeps occupants safe and reduces property damage in the event of a fire. This product is specifically engineered as exterior non-structural insulation sheathing for high performance residential wall systems.

  • Can be easily cut with a breadknife
  • Non-combustible with a melting point of approximately 1177°C (2150°F)
  • Excellent sound absorbency
  • Vapor Permeable
  • Does not rot or promote growth of fungi or mildew
  • Low moisture absorption
  • Chemically inert; non-corrosive
  • Water repellent
  • CFC and HCFC-free, product and process
  • Made from natural & recycled materials
  • ROCKWOOL can contribute to earning LEED points


  • Non-structural thermal insulation
  • Basement continuous insulation
  • Exterior perimeter insulation around foundation
  • Under flat concrete slab
  • Residential wood-framed cathedral ceilings

If you would like more information on ROCKWOOL Comfortboard 80 rigid mineral wool insulation sheathing board, please feel free to give us a call (201) 652-1000, or complete the Contact Us Form and a Kuiken Brothers representative will follow up with you right away. We look forward to learning more about your project and how we can assist.

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