FAKRO 69303 Flashing Unit for FX Series, Step Roofing, 14-1/2-Inch x 45-3/4-Inch Flashing kit for FAKRO FX series fixed skylights Use for flat roofing materials like shingles and plain-tile, double-lap roofing, slates, or tar boards Made of high quality aluminum, permanently protected with a polyester varnish Weep flap allows condensation to drain away from the window