Twin(UB)-IS50R-215Un-50G(200)
2 x 15mm Siniat Universal Boards, Twin Siniat IS50/Rx I-Studs at 600mm centres, 50mm glass mineral wool, 2 x 15mm Siniat Universal Boards
2 x 15mm Siniat Universal Boards, Twin Siniat IS50/Rx I-Studs at 600mm centres, 50mm glass mineral wool, 2 x 15mm Siniat Universal Boards