Mineral wool acoustic tile for suspended ceiling Rockfon
SONAR DB 40

Sonar dB 40 provides enhanced sound insulation s well as a high level of sound absorption.
Sonar dB 40 is made from 30 mm stone wool with a high-performance membrane on the back which reduces the transmission of noise from room to room. Sonar dB 40 provides enhanced sound insulation as well as a high level of sound absorption.
In addition its fire classification is A1 – the safest class possible. Sonar dB 40 has a subtly textured surface, is easy to cut, and with its low weight of 5.0 kg/m² is easy to install.

More information...