• Logo of CE MarkCE Mark
  • Logo of Cradle to Cradle CertifiedCradle to Cradle Certified
  • Logo of Indoor Climate labelIndoor Climate label
  • Logo of Class M1Class M1

Rockfon Sonar® dB 41

35mm-thick dual-function ceiling tiles delivering 41dB room-to-room sound insulation and Class A sound absorption – featuring a robust micro-textured surface.

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Overview

Combine creativity with durability. Class A stone wool acoustic absorption paired with sound insulation support – underpinned by Rockfon Sonar’s robust, versatile performance.

Experience the difference of Rockfon Sonar® dB 41

Rockfon Sonar® dB 41 | Sound Insulating Acoustic Ceiling Tiles

Dual control.

Along with stone wool's Class A acoustic absorption, achieve up to 41dB Dn,f,w room-to-room sound insulation – ideal for layouts with moderate-to-high room separation.

Rockfon Sonar® dB 41 | Sound Insulating Acoustic Ceiling Tiles

Confidently clean.

Rockfon Sonar's tough micro-textured fleece surface withstands vacuum and damp cloth cleaning using diluted chemical solutions.

Rockfon Sonar® dB 41 | Sound Insulating Acoustic Ceiling Tiles

Find your level.

For stricter speech privacy and confidentiality needs, explore the rest of the Rockfon Sonar dB range with up to 46dB Dn,f,w room-to-room sound insulation.

Edges and sizes

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A24 edge - Visible grid

DimensionsRecommended Grid
600x600x35
1200x600x35

Specifications

For more details about Rockfon Sonar® dB 41 please download the product datasheet or contact us.

Tile colour
  • WhiteNCS S 0500-N
Sound absorption
αw: 0.90 (Class A)
Direct sound insulation
Rw = 21 dB
Room to room sound insulation
Dn,f,w = 41 dB
Reaction to fire
A1
Light reflection
85%
Humidity and sag resistance
Up to 100% RH.
No visible deflection in high humidity.
C/0N
Cleaning
Vacuum, damp cloth. Resistant to chemicals.
Hygiene
Stone wool provides no sustenance to microorganisms
Thermal Insulation
Thermal conductivity: λD = 40 mW/mK
Thermal resistance: R = 0,85 m2K/W
Recyclability
Fully recyclable stone wool
Indoor environment
A selection of Rockfon products have been awarded the Finnish M1 emission classification for building materials and the Danish Indoor Climate Label for low emission products

Certifications

  • CE Mark

    CE Mark

  • Cradle to Cradle Certified

    Cradle to Cradle Certified

  • Indoor Climate label

    Indoor Climate label

  • Class M1

    Class M1

Sound absorption table

Practical Sound Absorption Coefficient (αp)
EdgeThickness mmSuspension height mm125 Hz250 Hz500 Hz1000 Hz2000 Hz4000 HzSound absorption classαwNRC
A24, D, E15, E24352000.450.600.901.001.001.00A0.900.85

Installation videos

Need help or advice?

Have a question about this product or need guidance for your project? Send us a message and we’ll get back to you.

Interested in buying Rockfon Sonar® dB 41?

Get in touch with a local Rockfon office or find a distributor near you.