Description

These boards have square perforations punched in with great precision. The boards are backed with an acoustic tissue. Noise Reduction Coefficient (NRC): 0.6 (Without Glass wool) & upto 0.8 with Glasswool backing Perforation Area : 16% Reaction to fire: BS 476 Specification NOMINAL SIZE (MM) 1200 x 2400 x 12.5 WEIGHT (Kg/m2) 8.0