Cavity Roll is a high-performance mineral wool insulation designed for friction-fit installation within timber and metal frame systems. Supplied as two pre-cut 600 mm rolls, it provides exceptional sound absorption, robust thermal performance and non-combustible fire safety. Ideal for internal walls, separating walls, intermediate floors and drywall partitions in residential and commercial buildings.
• 51 mm
• 63 mm
• 100 mm
In Stock
| Property | Specification |
|---|---|
| Material | Mineral wool with ECOSE® Technology |
| Fire Rating | Euroclass A1 (non-combustible) |
| Widths | 1200 mm (2 × 600 mm rolls) |
| Lengths | 51 mm: 14.00 m 63 mm: 12.00 m 100 mm: 7.50 m |
| Area per Roll | 51 mm: 16.80 m² 63 mm: 14.40 m² 100 mm: 9.00 m² |
| Thermal R-Values | 51 mm: 1.34–1.38 m²·K/W 63 mm: 1.65–1.70 m²·K/W 100 mm: 2.63–2.70 m²·K/W |
| NRC (Sound Absorption) | 51 mm: 0.77 100 mm: 1.00 |
| Vapour Resistivity | 5.00 MNs/g·m |
| Standards | BS EN 13162, ISO 9001, ISO 14001, EN 50001, OHSAS 18001 |
Cavity Roll is designed for friction-fit installation in internal walls, separating walls, ceilings and intermediate floors. It absorbs airborne sound and improves thermal comfort, making it ideal for residential and commercial buildings that require enhanced acoustic and thermal performance.
Yes. Cavity Roll is classified as Euroclass A1, which is the highest non-combustible fire rating. This ensures excellent fire performance, making it safe for use in partitions, separating walls, and structural cavities that require superior fire resistance.
Absolutely. Cavity Roll is specifically designed for friction-fitting into 600 mm metal stud partitions. Its flexible, lightweight structure ensures tight fitting without gaps, providing consistent sound absorption and thermal regulation across the wall system.
Thicker rolls provide higher thermal resistance and better sound absorption. For example, the 100 mm roll offers an R-value above 2.6 m²·K/W and an NRC of 1.00, making it suitable for high-performance acoustic and thermal applications.
Yes. Manufactured using ECOSE® Technology, it contains no added formaldehyde, is made from rapidly renewable bio-based materials and has zero Ozone Depletion and Global Warming Potential. This makes it an environmentally responsible insulation solution.
Cavity Roll is rot-proof, non-hygroscopic, and does not sustain mould, fungi or bacterial growth. It also does not attract vermin, making it a long-term, hygienic insulation material suitable for residential and commercial environments.
Yes, Cavity Roll can be used in intermediate floors to improve noise reduction and thermal insulation between levels. It friction-fits between joists, ensuring continuous acoustic performance and reducing sound transmission through floor structures.
Cavity Roll has negligible vapour resistivity, so whether a vapour barrier is required depends on building design and regulations. In many cases, vapour control layers are used where moisture migration needs to be restricted within the structure.
No. Cavity Roll is lightweight, flexible, and easy to cut and friction-fit. Pre-cut 600 mm roll widths match standard stud spacing, reducing labour time and ensuring fast installation without specialised tools or adhesives.
Store rolls indoors or under cover, off the ground, and protected from moisture. Packaging offers only short-term protection, so long-term exposure to rain or outdoor conditions should be avoided to maintain insulation performance.
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