Help prevent noise- the No. 1 distraction in the workplace.

Recommended products: Ultima: NRC=0.70 (high requirements) Cirrus: NRC=0.65 Dune: NRC=0.50 (standard requirements)

NRC measures the average percentage of noise a material absorbs at four frequencies: 250, 500, 1000, 2000Hz. This key measure of absorption of general office noise is expressed as a single value percentage from 0.0 to 1.0 (Reference: ASTM C423).

Superior acoustical performance ICON indicates Armstrong products with: high Articulation Class AC – minimum 170 high Noise reduction Coefficient NRC – minimum 0.65