Mass Barrier Ceilings RCC 060
1x 12.5mm Siniat dB Board, 1x 12.5mm Siniat dB Board, Siniat Ceiling Channels at max. 450mm centres Heavy Duty Primary channels UT52/Y at 900mm Centres, Phonissimo Acoustic Hangers as 1200mm Centres, 100mm 10.5kg/m3 glass mineral wool, Any suitable soffit