renovatiekader pvc met inserts voor lichtkoepel of platdakraam 1050 x 2250 mm KOM40 0 0400 1000 0 openable version with opal 0 openable version with opal glass 0700 x 1000 mm: This PVC frame with hinges on long side 0700 x 2000 mm is designed to be installed between the curb and the skylight where the original curb can be preserved without the need to remove or significantly modify the existing roof structure