These boards have hexagonal perforations punched in with great precision. The boards are backed with an acoustic tissue.
Noise Reduction Coefficient (NRC): 0.60 (Without Glass wool) & up to 0.8 with Glasswool backing
Perforation Area : 15%
Reaction to fire: BS 476
|NOMINAL SIZE (MM)||WEIGHT (Kg/m2)|
|1200 x 2400 x 12.5||8.0|