ALD

Sound attenuating exterior wall grille

  • Very good sound attenuation
  • A robust grille that withstands difficult climate conditions
  • Material: Supplied as standard in galvanised sheet steel to Corrosivity class C3 or aluminium to Corrosivity class C4
  • Possibility of special adaptations with other material options for example, stainless steel, alu-zinc or painted finish
  • Also available in double design for extra sound attenuation
  • Included in the MagiCAD database

ALDa acoustic louvre effectively reduces sound from plant rooms, etc. The sound is attenuated on passing between the absorbant splitters.

 

Technical data

ALD – Standard Range
Length Hight Width Working range Attenuation
mm mm mm m³/s dB(A)
300-2500 450-2400 300-600 0-15 12-18