Twin(AB)-CS90W-15Md15dB-100G(300)
1 x 15mm Siniat Megadeco Board, 1 x 15mm Siniat dB Board, Twin Siniat CS90/W C-Studs at 600mm centres with Extended Acoustic Brace, 100mm glass mineral wool, 1 x 15mm Siniat dB Board, 1 x 15mm Siniat Megadeco Board
1 x 15mm Siniat Megadeco Board, 1 x 15mm Siniat dB Board, Twin Siniat CS90/W C-Studs at 600mm centres with Extended Acoustic Brace, 100mm glass mineral wool, 1 x 15mm Siniat dB Board, 1 x 15mm Siniat Megadeco Board