racks above 10' need to be connected to the spacing in the middle will not be 16" You need to have at least 6" of space between the top of the door to the ceiling to accommodate for the hardware The 10' track does not come in one piece. Product Details Product Type: Double Door Barn Door Hardware Kit Track type: Standard Double Installation Required Tools Needed for Installation: Tape measure, pencil, drill/driver, level ruler, wrench