The distance from the wall to the outside surface of the outer door is 5.75″ Distance from the top of the door to the ceiling: 9″ Distance from the door to the floor: 0.4″ Easy to install – this hardware requires at max 2 people. A super detailed installation manual included that the measurements are all in inches. All tracks can be connected with other tracks with a junction plate. A professional customer service team helps you solve all installation problems in time, accepting custom-made barn door hardware. The clearance from the top of your door to the ceiling should be at least 8 inches to install the bypass barn door hardware. Package included – a barn door hardware kit ( rails, junction plate, hangers, rail supports, u brackets, door stops, anti-jump pas, end caps, floor guides, hex key). The rail is pre-drilled holes for 16 inches of wall studs. Rail and hanger arms are 1-9/16″ wide and 1/5″Thick. All other necessary hardware is included as you see in the pictures. * DOOR IS NOT INCLUDED AND THE TRACK IS NOT A WHOTE PIECE. Door weight capacity – max 230 lbs per door. Fit 1-3/8″ to 1-3/4″ door panel thickness.OUR TRACK IS NOT A WHOLE PIECE Hardware material it is using premium carbon steel. High quality steel with frosted black surface makes it heavier than other sliding barn door hardware and fire proof, water proof and rust proof. It also allows you to install your barn doors interior and exterior. Guaranteed service – we provide a 5-year warranty. Our sliding door hardware has passed 120,000 times opening and closing tests. Any problem with using it, our professional customer service team will answer questions for you. Lazio Track Length: 96 in.