ACOUSTICAL CEILINGS & WALLS | Lesotho

Sierra OP 3780M

Sierra OP 3780M 600 x 600 x 17 MM

Item # 3780M


Visual Characteristics

Surface Sierra
Edge detail
Board
Grid Face
24/35
Colour White
Dimensions 600 x 600 mm
Material Type Mineral
Recycled Content (%) 15%

Compatible Suspension Systems

Exposed 24mm Grid System Universal Main Runners 24
Exposed 35mm Grid System Main Runners 35


Technical Characteristics

Sound absorption (alpha w) 0.90
  View acoustic chart
Sound absorption European Classification A
Sound absorption (NRC) 0.85
Sound Attenuation Dnfw (dB) 27
  View acoustic chart
Sound Reduction Index (Rw)
11
Rain noise test  
Light reflectance (%) 84
Humidity resistance (RH%) 95
Thermal conductivity (W/mK) 0.037
Weight (kg/m2) 3.21
Fire reaction
EEA Euroclass A2-s1,d0
Cleanability With a moist cloth
Air Quality ISO 5

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