Homacer Black Rustic Single Track Bypass Sliding Barn Door Hardware Kit, for Two/Double Doors, 18ft Long Flat Track, Classic Design Roller, Heavy Duty, for Interior & Exterior Use

Package includes all the hardware kit you need to install a sliding barn door. Except for doors. The barn door hardware can be used both inside and outside. It is rustproof, waterproof, and fireproof. The minimum clearance (from top of the door to the ceiling) you need to install this barn door hardware is 6''. The spacing between each hole is American Standard 16''. Tracks 7.5ft and under are one single track instead of being connected by multiple shorter tracks. Tracks 8ft to 16ft will be connected by two tracks. Tracks 18ft and 20ft will be connected by three tracks.