ShowCase steel garage doors feature 2" thick sections, optional AccuFinish woodgrain or ArmorFinish laminate finishes, a continuous thermal break between sections and expanded polystyrene insulation bonded between two steel skins, which creates an outstanding 10.25 R-value. ShowCase doors also feature a hot-dipped galvanized steel track and hinges. These affordable steel doors carry a "For As Long As You Own Your Home" section warranty against rust and a five-year warranty on hardware and springs for their original owner.