About Rockfon Tropic
A 20mm white stone wool tile with a smooth painted face, offered in a wide spread of sizes including long planks and 1200 x 1200 panels. A solid all-round choice for offices, schools and leisure spaces where strong sound absorption is wanted.
Key performance
| Sound absorption | αw: 1.00 (Class A) |
|---|---|
| Reaction to fire | A1 |
| Light reflection | 86% |
| Humidity and sag resistance | Up to 100% RH. No visible deflection in high humidity C/0N |
| Edges | A15, A24, E15, E24 |
| Weight (kg/m2) | 2.4 (A, 20mm) / 2.5 (1200 x 1200 x 25) / 2.8 (E) |
| Cleaning | Vacuum |
Source: Rockfon Tropic datasheet, 05.2026. 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 |
|---|---|---|---|
| A,E: 20 / 200 | 1.00 | A | 1.00 |
Selected rows; full table in the technical datasheet.