Created to deliver beauty and performance, the contemporary steel Model 8500 is one of Wayne Dalton’s best-insulated residential garage doors. It’s made with two layers of steel surrounding a thick layer of foamed-in-place polyurethane insulation which contribute to its impressive R-value of 16.22, which can improve your home’s thermal efficiency, cancel street noise, and help the door operate quietly. It also comes with integrated struts for rigidity and strength, pinch-resistant panels, and ex