garage door 1.    Material: The dual-layer heat-keeping panel is made of galvanized steel sheet and polyester treated surface, among which is evenly filled with hard polyurethane foam(density≥40kg/m3). 2.     Color: The normal color is off-white and can be painted any colors as customer’s requests. 3.    Open way: It slide on the ceiling; Overhead sliding sectional door 4.    Deep pressed embossed Short Panels feature woodgrain texture. 5.    Sealed tube at bottom to mitigates or relieves an adverse effect. 6.    Remote control, automatic or manual switch. 7.    Size for single door panel: Max width: 6000mm Max height: 550mm Thickness: 40mm/50mm optional