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.
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- Exterior wall insulation
- Cavity wall insulation
- Rainscreen insulation
- Roof insulation
- Metal roof insulation
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.
- Dimensional stability
- Fire resistance
- Noncombustible
- Thermal performance
- Vapor permeability


