Interface Duet is a harmonious collaboration of lines, colours and textures. The subtle variations and linear pattern make for a quiet, distinguished design. Duet is available in 18 tonal colours and is installed monolithic. Product Definition: Tufted Patterned Structured Loop Tile Pile Material: 100% Solution Dyed Nylon, contains recycled content Pile Yarn Weight: 610 g/m2 ± 5% Total Weight: 4115 g/m2 ± 5% Pile Height: 3.4 mm ± 0.5 mm Total Thickness: 6.6 mm ± 0.5 mm Gauge/Ends 10 cm: 1/10 – 39.4 Tufts per m2: 200,940 ± 5% Backing Type: Graphlex Wear Classification: Heavy Contract (EN 1307) Class 33 / LC2 Radiant Panel: (EN ISO 9239-1) Euroclass Bfl s1 (EN 13501-1) Dimensional Stability: ≤ 0.2% ( EN 986) Impact Sound Insulation (∆Lw): 26 dB (EN ISO 10140-3) Rating of Sound Absorption: αw 0.15 (EN ISO 11654) Sound Absorption: 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 0.00 0.03 0.07 0.21 0.30 0.38 (EN ISO 354) αs Style: 30340 4m2- 16 tiles per box (50 x 50 cm ± 0.2%)