renovatiekader pvc met inserts voor lichtkoepel of platdakraam 1400 x 1400 mm KQPV1600 EKS2 0800 2800 Choose Skymax CE with PVC Choose Skymax CE with PVC curb 20 00 EP with iDome 0600 x 0900 mm and enjoy peace of mind knowing that you are investing in a high quality smoke and heat extraction system that meets all requirements and standards 28 64 52 23 Four walled Opal (A H O H) 1 where the original curb can be preserved without the need to remove or significantly modify the existing roof structure