Mineral Ceiling Tile

Armstrong SIERRA OP

Armstrong SIERRA OP is a cost-effective laminated mineral tile offering a smooth white appearance combined with Class A acoustic performance.

Available in these regions:
Benelux
  • Belgium
  • Luxembourg
  • Netherlands
Israel
  • Israel
Russia & CIS
  • Armenia
  • Azerbaijan
  • Georgia
  • Kazakhstan
  • Kyrgyzstan
  • Mongolia
  • Russia
  • Tajikistan
  • Uzbekistan
Switzerland
  • Liechtenstein
  • Switzerland

Materials & Options

Armstrong SIERRA OP
600 x 600 mm
1200 x 600 mm

Technical specifications

 

Features

  • Excellent sound absorption (0.90 αw)
  • High light reflectance (86%)
  • ISO 5

Application Areas

  • Ideal for open spaces (call centres, libraries, cafeterias, etc.)

Performance

Sound Absorption
αw = 0.90
Sound Attenuation
Dn,f,w = 25 dB
Sound Reduction
Rw = 12 dB
Light Reflectance
86%
Fire Reaction
Euroclass A2-s1, d0
KM1 (G1, V1, D1, T1)
Weight
2.9 kg / m²
Thermal Conductivity
λ = 0.040 W/m K
Humidity Resistance
95% RH
Clean Room
ISO 5
VOC
A+
Formaldehyde
E1
Recycled Content
43%
Cleaning
Dry Cloth
Cleaning
Damp Sponge

Downloads, Contact & Newsletter

Our proactive, service-driven mentality stands out just as much as our products. We have the technical know-how to provide specialist consulting expertise, as well as the feet on the ground to deliver the custom solutions you need on-site.