Availability: In Stock
Armstrong Sierra OP 4115M
Product Code: JCS4115M
Qty: 16 per box

Sqm: 5.76m²


Ask About This Product


  • Sound Absorption αw0.90
  • Sound Absorption ClassA
  • Sound Attenuation Dnfw (dB)Up to 29
  • Sound Reduction Index Rw (dB)Up to 12
  • Sound Absorption NRC0.85
  • Humidity Resistance (RH %)95
  • Clean Room ClassificationISO 5
  • Cleanability Damp sponge Dry cloth / Soft brush Moist cloth

Product Number: JCS4115M

Armstrong Sierra OP offers great acoustic performance as a Class acoustic tile. It also incorporates a laminated surface to allow for a smooth white appearance.

Product details:

  • Qty: 16 per box (please call us on 01253 864 902 for other quantities)
  • Coverage: 5.76 m2
  • Dimensions: 595mm x 595mm (for 600mm x 600mm grid space)
  • Thickness: 15mm
  • Humidity Resistance: 95% RH
  • Light Reflectancy: 84%
  • Acoustics: αw: 0.90, Dnfw (dB): Up to 29, NRC: 0.85- Class A
  • Colour: White

For further technical information about Armstrong suspended ceiling tiles, please contact us.

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Venus Packaging 21/03/2017

Hope to deal with you again. Thank you. ..

Al M 21/03/2017

Another faultless transaction. Very customer focused company. ..

Christopher Gill 21/03/2017

In response to your e-mail I can confirm that I am totally satisfied with the service your company provided to me. The product is exceptional, it was carefully packed and delivered promptly, (I will g..