Abstract: A flashing device for covering a wall mounted service feed line entering or exiting a building which device comprises a flat plate having a central keyhole shaped opening and a downwardly or horizontally extending hollow sleeve member integrally mounted to the eye portion of the keyhole shaped opening on a plane approximately perpendicular to said plate; the underside of said sleeve having a slot horizontally disposed along its entire length, wherein the opposed edges ends of the horizontal slot are contiguous with the bottom eye portion and the top leg portion of the keyhole shaped opening and the width of the slot is commensurate with the width of the service feed line to or from the building.