Classic insulated garage door come with two layers of steel and polyurethane foam insulation, which improve your home thermal efficiency, reduce street noise. Classic short or long panel steel garage doors with insulation of R-value of 15.2. i. Available in short and long raised panel design options. ii. A wide variety of window option are available, iii. Glass options available including insulated, obscure, and acrylic. FEATURE Door Construction 3 layer construction Panel Thickness 2'' Exterior & Interior Steel 26-Gauge Insulation Type Polyurethane Warranty Limited Lifetime R-Value 15.2 COLORS White AlmondSandstone Brown Dark Brown Black Golden Oak Red Oak Steel Insulated Doors Window Options L01 2-Piece Arched StocktonL02 Stockton 8 SquareL03 2-Piece Arched StockbridgeL04 Straight StockbridgeL05 WatertonL06 CascadeL07 One Piece Wagon WheelL08 2-Piece Wagon WheelL09 4 Piece SunburstS01 WatertonS02 CascadeS03 StocktonS04 2 Piece Wagon WheelS05 4 Piece Sunburst -