Manufacturer
Rockfon (ROCKWOOL)
Stone wool acoustic ceilings and wall absorbers. Part of the ROCKWOOL Group.
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Documents
Blanka
Rockfon Blanka
EPD availableCeiling
Description
Acoustic ceiling tile made of stone wool with a smooth, white surface. Sound absorption class A (αw = 0.95). 20 mm thick, edge design A, E or X. Standard format 600 x 600 mm and 1200 x 600 mm. Light reflection 86%. Moisture resistance 100% RH. Particularly dirt-repellent due to Advantage coating.
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.95
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.75 | 0.95 | 0.95 | 0.95 | 0.90 |
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Method (354): Measured
Mounting type: Type E – Suspended
Room volume: 218 m³
Object area: 10.8 m²
Measurement date (354): 2023-09-15