ROCKWOOL Cavityrock Black Mineral Wool Insulation Board, 2 in x 16 in x 48 in (64 sq ft) - RXCVR216B
Regular price $102.81Cavityrock Black Mineral Wool Insulation Board (2 in)
ROCKWOOL Cavityrock Black is a semi-rigid stone wool insulation board designed for exterior cavity wall and rainscreen applications. It delivers reliable thermal performance (R-8.6), moisture resistance, and noncombustible characteristics, with a black facer suited for open-joint cladding aesthetics.
Key Features:
- Designed for Rainscreens & Cavity Walls: Semi-rigid stone wool board for exterior cavity wall and rainscreen applications and compatible with numerous cladding attachment systems
- Fire-Resilient Performance: Noncombustible insulation that will not develop toxic smoke or promote flame spread when directly exposed to fire; approved for use in many NFPA 285-compliant designs
- Thermal & Acoustic Comfort: Provides energy efficiency with reliable thermal performance (R-8.6) and improved acoustic comfort
- Moisture & Biological Resistance: Moisture resistant to help maintain long-term insulating value and resists fungi
- Black Facer for Open-Joint Cladding: Black mat facer finish helps combine insulation install with masking in a single step to reduce installation time and material cost
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Product name | Mineral Wool Roxul Cavity Rock BLK 2"X16"X48" 64SF |
| Series/line | Cavityrock® Black |
| Insulation type | Semi-rigid batt/board insulation |
| Material | Natural stone wool |
| Color | Black |
| Thickness | 2 in |
| Width | 16 in |
| Length | 48 in |
| Coverage area | 64 sq ft |
| R-value | R-8.6 |
| Facing type | Unfaced |
| Installation type | Wall |
| Density | >4.3 lb/cu-ft |
| Resists | Fungi |
| Category | Rigid Board Insulation |
Frequently Asked Questions (FAQ):
Q: What is this insulation typically used for?
A: It’s designed for exterior cavity wall and rainscreen applications, including open-joint cladding systems when using the black facer finish.
Q: What R-value does this board provide?
A: R-8.6.
Q: Is it faced or unfaced?
A: This product is listed as unfaced and also described as a black mat facer option for open-joint cladding aesthetics.
Q: Is it moisture resistant?
A: Yes—it's described as moisture resistant to help maintain insulating value long-term.
Q: What are the board dimensions and coverage?
A: Each board is 2 in thick x 16 in wide x 48 in long, with 64 sq ft coverage listed for the unit.
A Dark, Discreet Foundation for Architectural Drama
Cavityrock Black disappears behind open-joint cladding, letting the architecture read as crisp, intentional, and quietly bold. That deep black facer creates a refined shadow-line effect while the stone wool core brings confidence through performance—thermal comfort, moisture resistance, and noncombustible resilience. Use it to support sculptural façades and high-contrast exterior palettes where every seam is part of the composition. It’s the kind of invisible luxury that makes a building feel impeccably considered.
Choose ROCKWOOL Cavityrock Black to pair clean open-joint cladding aesthetics with durable, fire-resilient mineral wool insulation performance.
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