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Cavityrock®

ROCKWOOL Cavityrock® is a stone wool insulation board designed for exterior cavity wall and rainscreen applications. It is compatible with numerous cladding attachment systems, including z-girts, clip-and-rail systems and masonry ties.

Cavityrock board render - used for product page card
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Popular applications

  • Exterior wall insulation
  • Cavity wall insulation
  • Rainscreen insulation
  • Roof insulation
  • Metal roof insulation

About Cavityrock®

ROCKWOOL Cavityrock® is a stone wool insulation board designed for continuous insulation in exterior cavity wall and rainscreen applications. Cavityrock is a durable, noncombustible solution that is approved for use in many NFPA 285-compliant designs.

Cavityrock offers reliable thermal performance, improved acoustic comfort, and moisture resistance to maintain long term performance. Also available in a black mat finish, Cavityrock Black reducing installation time in open-joint cladding systems.

  • Noncombustible and fire resistant
  • Component of NFPA 285 assemblies
  • Water and moisture repellent
  • Made from natural and recycled materials
  • Inorganic, does not promote mold growth
  • Dimensionally stable to maintain performance

Why use stone wool insulation

  • Noncombustible and fire resistant, stone wool works to contain a fire and prevent its spread.
  • Water resistant and vapor permeable for effective drainage from an exterior wall assembly.
  • Durable inorganic material that does not rot or promote the growth of mildew, fungi or bacteria
  • Cavityrock Black is available with a black mat finish for improved open-joint cladding system aesthetics.

Applications

  • Designed as exterior continuous insulation for above-grade wall applications.
  • Ideal for exterior cavity walls, rainscreens, and open-joint cladding systems.
  • Suitable for commercial and industrial buildings.
  • Fits seamlessly with pre-engineered cladding attachment systems like clip and rails, continuous girts, and masonry ties.

Product certificates

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Cavityrock black features and benefits

Cavityrock black features and benefits

Cavityrock Black maintains the same noncombustible properties as unfaced Cavityrock, and as a result can satisfy existing NFPA 285 listings

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