MMI Door Majestic Steel Front Door unit comes with our MSystem 2-year warranty on both the Door Component and the Base Prehung System, as well as a 10-years warranty on the Glass Lite. All of our Majestic Steel doors are galvanized to resist rust and corrosion, are comprised of 24-Gauge, high quality steel with 22-Gauge steel stiles and rails for additional strength and security and come with a one-piece, high density polystyrene core delivering excellent insulation allowing it to meet or exceed current energy code standards. Nominal door size is 36 in. x 80 in. with 12 in. sidelite. Unit dimension is 51 in. x 81.75 in. The suggested rough opening is 51.5 in. x 82.25 in. This unit comes with a 4-9/16 in. wide primed FrameSaver frame. Color: Black.