Pregy CDO 84/S4927 - 2 PF BA15 - EI 60
Double frame open sky ceiling with 2 x 15 mm PregyFlam BA15, fixed to galvanized steel frame made of 28-28-28 mm U tracks and 27-49-27 mm S4927 channel at 90 cm spacing and at 40 cm respectively the primary and the secondary, with hangers at 120 cm. According to fire test report, only fire from below is allowed.