About Ecophon Master Rigid
A 20 mm tile with a reinforced surface that is clipped into the grid, so it suits classrooms, offices and healthcare areas where tiles need to stay put. It can be paired with Ecophon Extra Bass laid above the tiles to improve low-frequency absorption. A, Dp and E edge versions are filed here.
Key performance
| Sizes (mm) | 600x600, 1200x600, 1600x600, 1800x600, 2000x600, 2400x600 |
|---|---|
| Thickness (mm) | 20 |
| Reaction to fire (EN 13501-1) | A2-s1,d0 |
| Humidity resistance | Class C, relative humidity 95% and 30°C, according to EN 13964:2014 |
| Visual appearance | White Frost, nearest NCS colour sample S 0500-N, 85% light reflectance. Gloss < 1. |
| Accessibility | The tiles are secured in the grid, but demountable. Minimum demounting depth according to installation diagrams. |
| System weight, Master Rigid A + Connect grid system (kg/m²) | 2,6 |
Source: Ecophon Master™ Rigid A product sheet, © Saint-Gobain Ecophon 2026-09-30. Figures quoted exactly from the manufacturer's datasheet; confirm with Ecophon before specifying.
Acoustic performance
| Configuration | THK mm | o.d.s. mm | αw | Sound absorption class |
|---|---|---|---|---|
| Master Rigid A | 20 | 50 | 0.75 | C |
| Master Rigid A | 20 | 200 | 1.00 | A |
| Master Rigid A + Extra Bass | 70 | 200 | 1.00 | A |
| Master Rigid A + 2xExtra Bass | 120 | 200 | 1.00 | A |
Selected rows; full table in the technical datasheet.