Velux ECL 2246 Curb Mounted Skylight Step Flashing Kit For Low Profile Roofs. Works with skylight sizes 2245, 2234, 2230 and 2222. For 25.5 width by 49.5 length. Length can be as low as 25.5. This flashing kit was never used. Please email with any questions. Located near Elgin, Carpentersville, Gilberts, Algonquin, Hshire, Huntley and Algonquin.