51 dB
ACOUSTIC ISOLATION
According to test laboratory
Mobile partition RollingWall H135 MN with a nominal thickness of 135 mm with concealed grid formed by a supporting structure based on aluminum profiles of 103 mm width, covered on both sides with a sandwich formed by a double board of 16 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.