Duramax 50961 Metal Garage Shed with Side Door, 12 by 20-Feet Includes Sliding Side Door, easy-access entry ramp for vehicle Perfect for Large Vehicles or tractors, Extra wide roll-up door can accommodate all SUV's 98' W x 80' H Metal Reinforced Roof Support Truss System,Can withstand up to 20 lbs/sq ft of snow Hot Dipped Galvanized Steel Frame Parts All Parts are numbered, Precut and Pre-drilled for Easy Assembly, 10 Year Limited Warranty