About AMF THERMATEX Acoustic
A laminated white mineral tile that balances moderate absorption with good room-to-room sound attenuation. Offered in board, tegular, SL2 plank, Vector and Finesse edges, so one product can cover exposed, semi-concealed and concealed areas on the same job.
Key performance
| Thickness (mm) | 19, 24 |
|---|---|
| Weight | 5.0 - 8.6 kg / m² |
| Sound absorption | αw = 0.65 (H) as per EN ISO 11654 - Class C |
| Sound attenuation | Dn,f,w = 38 dB as per EN ISO 717-1 |
| Sound reduction | Rw = 22 dB (19mm), 24 dB (24mm) as per EN ISO 717-1 |
| Fire reaction | Euroclass A2-s1, d0 as per EN 13501-1 |
| Light reflectance | 88% |
| Humidity resistance | 95% RH |
Source: AMF THERMATEX Acoustic datasheet, 09/2026. Figures quoted exactly from the manufacturer's datasheet; confirm with Knauf Ceiling Solutions before specifying.