Mute system 63™ Technical details: Materials: Visco-elastic membrane DCvisco, one layer of GKB 12,5mm plasterboard, filed gaps and joints with acoustic mastic DClant and embossing the perimeter of the wall with DCstrip Thickness: 63 mm Length: 1200 mm Width: 1000 mm Weight: 19.2 kg Thermal conductivity [λ]: 0,040 W/m ͦC Sheer strength: 3.9 N/mm Hardness of acoustic foam: 2.9 kPa