For noise protection on both sides of roads: Noise protection element road Type A3-b

Soundproofing element made of aluminium - highly absorbent on both sides

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.


Sound absorption  
DIN EN 1793-1: DLA 12 dB = A4
Airborne sound insulation  
DIN EN ISO 140-3: R´W 30 dB
DIN EN 1793-2: DLR 25 dB = B3


Product sheet