FAKRO 806103 Universal Flashing Unit for FX/FV/Fve Series, Step Roofing, EL-106 (Works Only with Size 106) 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