Pregy D75/M50 - 2 PF BA13 - RW/40
75 mm thick partition composed by 1 x 12,5 mm thick PregyFlam BA13 on each side, fixed to galvanized steel frame made of 40-50-40 mm horizontal U tracks and 47-49-50 mm vertical C studs. Rock wool 40 mm thick 110 kg/m³ in the cavity.