Skylux 160° CE met koepel en pvc opstand 16 00 met LM motor en pvc raam type EP25 0900 x 1200 mm VLKS1 Installing an electric roof access Installing an electric roof access skylight with 30 20 PVC curb 900 x 1800 mm Please note Daylight size 1300 x 1300 mm Roof opening 1500 x 1500 mm Passage opening 88 x 130 cm Number of actuators Double actuator Number of walls Double walled Insulation value (Ug value) 0 98 17 30 26 19 37 57 24 PMMA Opal (O) 1