The highly absorbent noise protection cassette made of seawater-resistant aluminium on both sides is powder-coated on the outside. It consists of statically supporting extruded profiles, roll-formed aluminium side panels and vertically stabilising end caps.
TECHNICAL DATA
| Sound absorption | |
| DIN EN 1793-1: DLA | 9 dB = A3 |
| Airborne sound insulation | |
| DIN EN ISO 140-3: R´W | 32 dB |
| DIN EN 1793-2: DLR | 27 dB = B3 |
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