renovatiekader pvc met inserts voor lichtkoepel of platdakraam 0450 x 1050 mm KFIW2O H 1100 1100 Daylight size 1100 x 1100 Daylight size 1100 x 1100 mm Roof opening Equal to daylight size Passage opening 89 x 110 cm Number of actuators Single actuator Material Clear Number of walls Double walled Insulation value (Ug value) 1 W m²K Acoustic value Rw 39 dB Fall through safety Yes LT value 75 % g value 52 % Weight 44 kg m² Guarantee 10 years Discover the features of the Skylux metal curb 800 x 2500 The frame offers a flexible and reliable solution to replace or upgrade traditional skylights with modern Skylux flat roof windows or hybrid skylights without the need to remove or significantly modify the existing roof structure