Rockwool RXCB11224, ComfortBoard 80 R-6.3 Rigid Stone Wool Insulation Board, 1.5" x 24" x 48", Covers 48 sq. feet, Fire Resistant

★★★★★ 5.0 67 reviews

US$35.99
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Product details

Management number 226636171 Release Date 2026/05/09 List Price US$35.99 Model Number 226636171
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Enhance your building envelope with ROCKWOOL Comfortboard, a rigid stone wool insulation board that provides exceptional fire protection, energy efficiency, and versatility. Available in two product options to support specific structural requirements for your next project, Comfortboard 80 and Comfortboard 110 products are used with screws through strapping and insulation cladding support systems. Comfortboard enables the creation of safer, more comfortable buildings that resist moisture and reduce energy costs. It's engineered for use as exterior continuous insulation in both above- and below-grade exterior walls, under-slab, exterior-insulated stucco assemblies, and in pitched roofs.

  • ComfortBoard 80 R-6.3 Rigid Stone Wool Insulation Board, 1.5" x 24" x 48", covers 48 sq. feet.
  • Noncombustible and fire resistant, stone wool works to contain a fire and prevent its spread.
  • Vapor permeable enabling wall systems to have superior drying potential, minimizing the risk of condensation and water accumulation. Inorganic, does not promote mold growth
  • Stable long-term R-values for superior thermal performance.
  • Superior compressive resistance and compatible with screw-through mechanically-supported cladding systems.
  • Reduces thermal bridging through wood framing, leading to a higher-performing building envelope.
  • Excellent acoustic performance. Stone wool provides excellent noise reduction and sound absorption to help you create quieter, more productive environments.
  • Water and moisture repellent
  • Dimensional stability to maintain performance
  • Applications: Installed in above-grade walls as continuous exterior insulation (ci); Below-grade exterior-insulated foundation walls and basements; Under flat concrete slabs; One-coat and three-coat insulated stucco cladding; Wood-framed cathedral ceilings.
UPC 774783454526
ASIN B00E5CSSNK
Coverage 48 sqft per bag
Brand Name Rockwool
Manufacturer Rockwool
Material Type Wool
Item Thickness 1.5 Inches
Item Type Name Roxul 1-1/2' x 24ft x 48ft R6 ComfortBoard Insulated Sheathing
Included Components ComfortBoard Insulated Sheathing
Item Dimensions L x W 1.5"L x 24"W
Recommended Uses For Product Thermal Insulation, Fire Resistance, Sound Insulation

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