Armstrong Perla OP tiles are made from mineral wool (Diabas, Dolomite, Binders, Oil), adhesive, and are finished with a painted glass fibre fleece.
Price Guide: Mid range
Dimensions: 600x600x18mm
Weight: 3.3 kg/m²
Colour: White
Reaction to fire: Euroclass A2-s1, d0
Fire protection:
Sound absorption aw: 0.95
NRC (Noise Reduction Coefficient): 0.90
Sound attenuation Dncw: 25 – 27 dB
Light reflectance: 86 %
Thermal conductivity: 0.037 W/mK
Humidity: Up to 95 % RH
