About AMF THERMATEX dB Acoustic
A heavy 24mm or 30mm mineral tile for rooms that need privacy across a shared ceiling void, such as meeting rooms, consulting rooms and wards. It still gives a moderate level of absorption within the room.
Key performance
| Thickness (mm) | 24, 30 |
|---|---|
| Weight | 8.6 - 10.6 kg / m² |
| Sound absorption | αw = 0.65 (H) as per EN ISO 11654 - Class C |
| Sound attenuation | Dn,f,w = 41 dB (24mm) as per EN ISO 717-1; Dn,f,w = 43 dB (30mm) as per EN ISO 717-1 |
| Sound reduction | Rw = 24 dB (24mm) as per EN ISO 717-1; Rw = 25 dB (30mm) 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 dB Acoustic datasheet, 09/2026. Figures quoted exactly from the manufacturer's datasheet; confirm with Knauf Ceiling Solutions before specifying.