D-GA gutter apron is installed under the roofing material and overlaps into the gutter deflecting the rainwater into the gutter. Attaches easily to roof and does not allow the water to run behind the gutter which could cause moisture deterioration on fascia and building. Colors: Galvanized, teritone, white, and brown. Size: 6 In. x 10 Ft. Nominal thickness: 0.015 In.