200 mm thick partition composed by 2 x 12,5 mm thick PregyPlac BA13 on each side, fixed to galvanized steel frame made of 150 mm horizontal U tracks (40-150-40 mm at the bottom and 80-150-80 mm at the top) and 47-149-50 mm vertical C studs. According to fire classification report, 3 mm gap per meter height must be ensured at the top of the partition.