Description
Armstrong SCALA features a microperforated surface pattern offering
both contemporary design and good acoustical performance
• Good light reflectance (85%) Thickness (mm) -12MM Exposed demountable - System C
Sound absorption -EN ISO 354
αw = 0.50 as per EN ISO 11654 - Class D
Frequency f (Hz) 125 250 500 1000 2000 4000
αP 0.35 0.35 0.55 0.75 0.65 0.60
NRC = 0.50 as per ASTM C 423
Sound attenuation -EN ISO 10848-2
Dn,f,w = 31 dB as per EN ISO 717-1 CAC = 31 dB as per ASTM E 413-10
Thermal conductivity-λ = 0.060 W/mk as per EN 12667 Humidity resistance-70% RH
