40 dB
ACOUSTIC ISOLATION
According to test laboratory
Mobile partition RollingWall H116 MN of nominal thickness 116 mm with hidden profiling formed by supporting structure based on aluminum profiles of 84 mm width, covered on both sides with a sandwich formed by double board of 16 mm and MAD2 of 2 kg / m² placed between boards. Air chamber filled with mineral fiber panels 40 mm thick and 40 kg / m² density.