Pregy CW52/S4927 - 2 PS BA13 - MW/30
52 mm thick lining composed by 2 x 12,5 mm thick PregyPlac BA13, fixed to galvanized steel frame made of 28-28-28 mm horizontal U tracks and 27-49-27 mm S4927 vertical furring channel at 60 cm max spacing. Mineral wool in the cavity.