Globalwall® CN 122 Rockbardage

Double skin system with an inner structural perforated tray and an external weather steel profile of minimum 0.75mm for good sound insulation.

Composition :

  • Hacierba Tray 1.500.90 SR P with a thickness of 0.75mm
  • Rocksourdine
  • Rockbardage with a thickness of 130mm
  • Profile Frequence or Trapeza wirh a thickness of 0.75mm

Performance :

  • Sound reduction index Rw(C;Ctr) = 36(-3;-9) dB
  • Acoustic absorption αw = 0.85
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