Key Features
- Superior thermal insulation and sound absorption; non-combustible
- Semi-rigid boards (24–36 kg/m³) conform to irregular surfaces; rigid boards (48–96 kg/m³) offer higher strength and impact resistance
- Does not support growth of mould, fungus, bacteria or rodents (ASTM C1338)
- Chemically inert — does not cause or accelerate corrosion (ASTM C665); pH 9 (ASTM C871)
- Fire: BS 476 parts 4–7, Class ‘0’ per building regulations
Applications
- Interior walls & partitions
- Cavity walls
- Floors
- Precast structures & prefabricated houses
- Exterior ductwork
- Mechanical & air-handling equipment, vessels and tanks
Technical Specifications
- Semi-rigid density
- 24 – 36 kg/m³ · k = 0.036 – 0.032 W/m·K
- Rigid density
- 48 – 96 kg/m³ · k = 0.032 W/m·K
- Thicknesses
- 25 / 50 / 75 / 100 / 150 mm
- Water-vapour resistance
- μ = 1
Sound absorption coefficient — rigid board
| Hz | 125 | 250 | 500 | 1000 | 2000 | NRC |
|---|---|---|---|---|---|---|
| 25 mm | 0.09 | 0.23 | 0.62 | 0.89 | 0.97 | 0.75 |
| 50 mm | 0.23 | 0.67 | 1.05 | 1.02 | 0.96 | 1.00 |
Need help choosing the right solution? Our acoustic consultants will recommend, supply and install the right system for your project.
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