renovatiekader pvc met inserts voor lichtkoepel of platdakraam 1200 x 1400 mm KOM30 0 1050 2250 Adapt the design to your Adapt the design to your specific project: choose a sloped version to capture the maximum amount of daylight and distribute it evenly throughout the room Roof opening = 900 x 1700 mm is not an everyday chore where the original curb can be preserved without the need to remove or significantly modify the existing roof structure