iWindow Platdakraam Opengaand op zonne energie Complete Set 100x160 cm Insulation Glass:double glazing HR++ (1.0 W m²K) iWindow2 This PVC frame with hinges This PVC frame with hinges on long side 1300 x 1900 mm is designed to be installed between the curb and the skylight Is this electric roof access with 30 20 PVC curb 1000 x 2800 mm Please note or insect screen energy efficiency