ROCKFON® Sonar™ dB 40

Optimal acoustical comfort combining high sound insulation (CAC up to 43 dB) with high sound absorption (NRC = 0.85)

Description	Stone wool tile (30mm) Visible side: micro-textured white painted fleece with enhanced durability Rear side: high performance membrane Painted edges
Edges	A24, E15, E24, D, D/AEX
Dimensions Length min. – max. mm Width min. – max. mm	600 – 1800 600 – 1200
Colour	White
Texture	Micro-textured
Light reflection	85%
α_w	0.90
NRC	0.90
R^w	21 (-1;-2)
D^n,f,w	40 (-2;-6)
Reaction to fire	A1

Additional information

Brand	Rockfon

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