iWindow Flex 2.0 opengaand platdakraam voor renovatie 40x190 cm Glass Type:Opal (frosted glass) Is this electric roof access Is this electric roof access with PVC curb 30 20 & iWindow3 flat roof window 1100 x 1100 mm Please note This PVC frame with hinges on long side 0500 x 2000 mm is designed to be installed between the curb and the skylight the iWindow Flex opens up to 25 cm for efficient ventilation Make your roof more energy efficient and stylish without major renovation work