Wall build up systems Globalwall® CN 123i for Wall and facade | ArcelorMittal Construction

Globalwall® CN 123i

Double skin system with an inner structural perforated tray and an external weather steel profile of 0.75mm for very good acoustic absorption.

Composition :

  • Hacierba Tray 1.500.90 SRP perforated P with a thickness of 0.75mm
  • 2Cladacoustic with a thickness of 20mm
  • Cladipan 32 with a thickness of 130mm
  • Wall cladding profile Trapeza. Frequence or Oceane with a thickness of 0.75mm

Performance and characteristics :

  • Sound reduction index Rw(C;Ctr) = 36(-3;-10) dB
  • Acoustic absorption αw = 1.00
  • Thermal transmittance Up = 0.28W/m².K estimated
  • Weight: 21kg/m²
  • Spacing: 15cm. not including the height of the external weather profile
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