iWindow Flex 2.0 opengaand platdakraam voor renovatie 70x220 cm Type of Glass:Solar control 0 helder glas 0900 x 0 helder glas 0900 x 2100 mm: Daylight size 800 x 1800 mm Roof opening 1000 x 2000 mm Passage opening 80 x 140 cm Number of actuators Double actuator the iWindow Flex opens up to 25 cm for efficient ventilation Make your roof more energy efficient and stylish without major renovation work