Great storage space at a great price, sturdy portable building with 2 x 4 studs, 29 gauge metal siding and roof, 2 x 4 floor joists set into notched skids, 5/8 inch flooring, 8′ wide buildings come with a single door, all others come with Double Doors, 12′ wide buildings are measured eave to eave, no windows available on Metal Best Value.