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Cavityrock® Semi-Rigid Insulation Board

Brand: Rockwool

ROCKWOOL Cavityrock® semi-rigid stone wool insulation board available in mono and dual density is designed for exterior cavity wall and rainscreen applications. Choose mono-density insulation in thicknesses up to 2” or dual-density in thicknesses of 2.5” to 6”.
Compatible with numerous cladding attachment systems, Cavityrock® is a durable solution with non-combustible characteristics meaning that the insulation will not develop toxic smoke or promote flame spread even when directly exposed to fire. Approved for use in many NFPA 285-compliant designs, it is an important component of fire-resilient exterior wall systems when used as a continuous insulation.
Cavityrock® also offers energy efficiency with reliable thermal performance, improved acoustic comfort, and is moisture resistant to maintain insulating value for the long-term. Also available in a black mat facer finish for open-joint cladding systems, Cavityrock® Black combines your insulation install with masking in a single step, reducing installation time and material cost to achieve your desired design aesthetic.

Also available in a black mat facer finish for open-joint cladding systems, Cavityrock® Black combines your insulation install with masking in a single step, reducing installation time and material cost to achieve your desired design aesthetic.
Features
  • Non-combustible stone wool insulation with melting point of approximately 1177°C (2150°F)
  • Fire-resistant due to its high melting temperature
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Chemically inert
  • Does not rot or promote the growth of mildew, fungi or bacteria
  • CFC- and HCFC- free product and process
  • Made from natural and recycled materials
  • ROCKWOOL® can contribute to earning LEED® points

Specifications

Brand

Compliance

  • ASTM C612
  • CAN/ULC S702
  • MEA Approval

Density

  • ASTM C303

Dimensions

  • 24” x 48” (610 mm x 1219 mm) , 16” x 48” (406 mm x 1219 mm), 32” x 48” (813 mm x 1219) for 3”, 4”, 5 and 6” thicknesses
  • 1” (25.4 mm) to 6” (152.4 mm) in 1/2” increments. 7” (177.8 mm) and 8” (203.2 mm)

Dimensions (With Black Mat Facer)

  • 24” x 48” (610 mm x 1219 mm) and 16” x 48” (406 mm x 1219 mm)
  • 2” (25.4 mm), 2.5” (63.5 mm), 3” (76.2 mm) to 6” (152.4 mm) in 1” increments (2.5”, 5” and 6” limited to 24 x 48 dimension)

Thickness

  • ≥ 2.5” Dual Density - 6.2 lbs/ft³ (100 kg/m³) outer layer and 3.8 lbs/ft³ (61 kg/m³) inner layer

Reaction to Fire

  • ASTM E136
  • CAN/ULC S114
  • CAN/ULC S102
  • ASTM E84 (UL 723)

Thermal Resistance

  • ASTM C518 (C177)

Acoustical Performance

  • ASTM C423

Reaction to Moisture

  • ASTM C1104
  • ASTM E96
  • ASTM 1338
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