53 dB
ACOUSTIC ISOLATION
According to test laboratory
Mobile partition RollingWall H141 of nominal thickness 141 mm with concealed profiles formed by supporting structure based on aluminum profiles of 103 mm width, covered on both sides with a sandwich formed by double board of 19 mm and MAD2 of 2 kg / m² placed between boards. Air chamber filled with mineral fiber panels 60 mm thick and 40 kg / m² density.