A Class D sound absorber with smaller blocks of perforations over a 10% perforated area.
Perforated boards featuring geometric designs with a special sound absorbent tissue backing, providing a jointless finish that is ready for on-site decoration. All Gyptone boards are capable of giving sound insulation performance up to Dncw = 39dB. 4 tapered edge helps to reduce installation time and provides a quality finish.
