About Rockfon Boxer
A stone wool tile with a reinforced face for schools and sports facilities, available in 20mm and 40mm. Installed in the appropriate Rockfon impact system it meets the impact classes needed for halls and gyms.
Key performance
| Sound absorption | αw: up to 1.00 (Class A) |
|---|---|
| Reaction to fire | A1 |
| Light reflection | 85% |
| Impact resistance | 20 mm : Class 3A (Rockfon System T24 A Impact 2A/3A); 40 mm : Class 1A (Rockfon System OlympiaPlus A Impact 1A) |
| Humidity and sag resistance | Up to 100% RH. No visible deflection in high humidity C/0N |
| Weight (kg/m2) | 2.4 (20mm) / 4.1 (40mm) |
| Cleaning | Vacuum; Damp cloth |
Source: Rockfon Boxer datasheet, 04.2026. Figures quoted exactly from the manufacturer's datasheet; confirm with Rockfon before specifying.
Acoustic performance
| Edge / Thickness (mm) / Suspension (incl. tile - mm) | αw | Absorption class | NRC |
|---|---|---|---|
| 20 / 200 | 1.00 | A | 0.95 |
| 40 / 225 | 1.00 | A | 0.95 |
| 40 / 40 | 0.95 | A | 0.95 |
Selected rows; full table in the technical datasheet.