Rockwool Stone Wool Insulation

Stone Wool Insulation Products


Cavityrock® is a semi-rigid insulation board designed for exterior cavity wall and rainscreen applications. These products offer superior long-term thermal efficiency, fire resistance, moisture control, acoustic performance and are compatible with numerous framing systems and cladding attachment systems.
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.

ROCKWOOL Curtainrock ®

ROCKWOOL Curtainrock is a lightweight, semi-rigid stone wool insulation board designed to provide enhanced fire protection in curtain wall and perimeter fire containment systems. Curtainrock is available unfaced or with vapor retarding foil facing.
Available as both an unfaced and foil faced board in multiple density options


ROXUL Safe® is a semi-rigid, mineral wool batt insulation designed to provide enhanced fire protection in perimeter fire containment systems, floor and wall through penetrations, construction joints, and other fire stopping applications.
Primarily used as a compression fit safing insulation in perimeter fire containment systems.

Comfortboard® 80

ROCKWOOL Comfortboard® 80 is a rigid stone wool board designed for exterior continuous insulation in residential and commercial construction. A non-structural sheathing product, Comfortboard 80 provides increased thermal performance to 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.
Comfortboard 80 is now available in 4” and 5” thicknesses, providing thermal performance up to R21 for building envelopes.

Comfortboard® 110

Comfortboard® 110 is a rigid, high-density, non-combustible, stone wool insulation board designed for use as an exterior continuous insulation designed for use as exterior commercial applications.
Comfortboard® 110 is a thermally efficient, moisture-resistant, vapor-permeable board and takes the place of other external sheathing insulations to create high-performance wall assemblies. These assemblies are effective against fire, moisture, and thermal bridging and allow for superior drying potential.



Rockwool Cavity Rock Continous Insulation X STRONGIRT thermally broken cladding attachment support system.
Strongwell’s STRONGIRT is the ideal continuous insulation (CI) cladding attachment support system.  Use STRONGIRT with ROCKWOOL Cavity Rock Insulation for a complete continuous insulation wall assembly.
For more information contact us.