Rockboard®
ROCKWOOL Rockboard® is a multi-purpose stone wool insulation board designed for acoustic and thermal applications in mechanical rooms, sound stages and studios.
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Popular applications
- Interior insulation
- Acoustic insulation
- Partition wall insulation
- Interior floor insulation
- Interior ceiling insulation
About this product
ROCKWOOL Rockboard® is a multi-purpose insulation board that can be used in a variety of acoustic and thermal applications. Rockboard is noncombustible, fire resistant and can withstand temperatures above 1000°C (1832°F).
Rockboard has superior sound absorption characteristics and is effective at reducing sound transmission across a wide range of frequencies. Rockboard is water repellent and will not rot, corrode, promote mold or bacterial growth.
- Noncombustible and fire resistant
- Water and moisture repellent
- Dimensional stability to maintain performance
- Excellent acoustic performance
- Inorganic, does not promote mold growth
Why use stone wool insulation
- Stone wool provides excellent noise reduction and sound absorption to help you create quieter, more productive environments.
- Noncombustible and fire resistant, stone wool works to contain a fire and prevent its spread.
- Excellent thermal performance providing a high R-value per inch
- Water resistant, stone wool does not rot or promote the growth of mildew, fungi or mold
Applications
- Multipurpose insulation board for thermal and acoustic solutions.
- Mechanical rooms, sound stages and music studios.
- Foil facing is available for assemblies with visible insulation.
Product certificates
UL Classified - CA/USA
Rockboard® sizes, dimensions & packaging
Find Rockboard® thickness, width, length and pack quantities—everything you need for accurate specification and ordering.
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- 4.2
- 6.3
- 8.4
- 8.6
- 10.5
- 12.6
- 12.9
- 14.7
- 16.8
- 17.2
- 21
- All
- 1
- 1.5
- 2
- 2.5
- 3
- 3.5
- 4
- 5
Specifications & testing
Explore Rockboard® specifications and test results, based on relevant industry standards.
| Name | Value | Unit | Test standard |
|---|---|---|---|
| Mineral Fiber Block and Board Thermal Insulation | Rockboard 40 - Type IVA Compliant, Rockboard 60 - Type IVB Compliant | ASTM C612 | |
| Flame spread index | 0 | ASTM E84 | |
| Smoke Developed Index | 0 | ASTM E84 | |
| Determination of Non Combustibility of Building Materials | Non-combustible | CAN/ULC S114 | |
| Hot Surface Performance | 1200 | °F | ASTM C411 |
| Corrosion of Steel | Passed | ASTM C665 | |
| Density description | Rockboard 40: Actual Density 4 lbs/ft³ (64 kg/m³), Rockboard 60: Actual Density 6 lbs/ft³ (96 kg/m³) |
Rockboard® technical documents & resources
Download Rockboard® technical documents and resources, including the product data sheet, to support accurate specification and efficient project planning.
Rockboard 40 multi-purpose board insulation - Data sheet
ROCKWOOL Rockboard® 40 is a multi-purpose stone wool insulation board used in walls, ceilings and floors for acoustic and thermal applications.
Rockboard 60 multi-purpose board insulation - Data sheet
ROCKWOOL ROCKBOARD® 60 is a premium, multi-purpose stone wool insulation board used in walls, ceilings and floors for acoustic and thermal applications.
Rockboard 40_072113 Board Insulation GUIDESPEC EN_CA
Rockboard 60_072113 Board Insulation GUIDESPEC EN_CA
Rockboard 60_072113 Board Insulation GUIDESPEC EN_US
Dimensional stability of rigid board insulation products
Investigations often uncover irreversible dimensional changes in rigid foam board insulation, like EPS, XPS, and ISO.
Guidelines for cutting stone wool insulation
Properly cutting stone wool insulation ensures fit and maintains performance, preventing safety and efficacy issues.
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Attend a ROCKonnect Masterclass
Earn CEUs and gain expert insights into high-performance building envelope design—all in a live virtual format built for commercial building professionals. Learn from award-winning experts and apply real-world solutions to your next project.
Product support & insights
From expert technical guidance to real-world case studies and certified sustainability documents, access the tools and insights that support confident, high-performance building with stone wool insulation.
Speak to an expert
Contact our technical team for product, application, and building science support on stone wool insulation.
View our case studies
Discover some of our case studies to learn more about applications of our products in various projects across North America.
Access sustainability documentation
Explore ROCKWOOL’s certified products for transparency and sustainability, including EPDs, HPDs, GREENGUARD, and Declare labels.
