An installation flashing is essential for installing a roof window. It ensures an airtight seal between the roof and the window. The RoofLITE+ range includes flashings for all common roofing materials, enabling the roof window to be installed in virtually any roof. RoofLITE+ installation flashings are 100% compatible with all RoofLITE+ window types and ensure quick installation. An additional benefit of using an original flashing is that you get a full 10-year roof window guarantee.