Provide your roof assistance against the elements with the Construction Metals Inc. 3 in. x 1 in. x 3/4 in. x 1/4 in. x 10 ft. Galvanized Steel Drip Edge Flashing. Style 'D' Roof Edge is metal flashing used for a neat finish where the roofing material comes to the edge of the roof. Used behind gutter, and usually where there is a heavy snow pack.