ACOUSTICAL CEILINGS & WALLS | Armenia

Dune Max 2251M

Dune Max 2251M 1200 x 600 x 18 MM

Dune Max produces a calculated reverberation time of 0.60 seconds for a typical (200m3) classroom. This is an optimum result as defined by the Department of Education (England and Wales). Dune Max is now fully recyclable. For details of the "Armstrong re-cycling programme" - please contact your local Armstrong sales office.


Item # 2251M

Visual Characteristics

Surface Dune Max
Edge detail
Board
Grid Face
24/35
Colour White
Dimensions 1200 x 600 mm
Material Type Mineral
Recycled Content (%) 45%

Compatible Suspension Systems

Exposed 35mm Grid System Main Runners 35


Technical Characteristics

Sound absorption (alpha w) 0.65
  View acoustic chart
Sound absorption European Classification C
Sound absorption (NRC) 0.60
Sound attenuation Dncw (dB) 35
Sound Reduction Index (Rw)
17
Rain noise test  
Light reflectance (%) 83.88
Humidity resistance (RH%) 99
Thermal conductivity (W/mK) 0.06
Weight (kg/m2) 4.55
Fire reaction
EEA Euroclass A2-s1,d0
Cleanable with a dry cloth Cleanability With a dry cloth

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