Globalwall® IN 221 Rockbardage
Double skin system with an inner structural tray and an external weather steel profile of 0.63mm thickness vertically laid for good sound insulation.
Compostion :
- Hacierba Tray 1.500.90 BS ou SR with a thickness of 0.75mm
- Rockbardage with a thickness of 130mm
- Profile Frequence. Trapeza with a thickness of 0.63mm
Performance :
- Sound reduction index Rw(C;Ctr) = 45(-5;-13) dB
