homacer black rustic single track bypass sliding barn door hardware kit, for two/double doors, 16ft long flat track, classic design roller, homacer <br>homacer aims to provide the best value products and services to save your time and money when you think of installing a sliding door at your home! <br><br><b>pre-install notice:</b><br><br>1. only the hardware is for sale, doors are not included.<br><br>2. if you are installing the hardware on a concrete wall, please send us a message asking for bolts specifically for concrete walls. the hardware package only has lag bolts for wooden wall or drywall. <br><br>3. our sliding barn door hardware kit is compatible with door thickness from 1 3/8 inches to 1 3/4 inches. if you have thinner or thicker door, please contact us for the correct length of the hex bolts of the hangers or you can get them from your local hardware store. please also notify us to put spacer extensions in the package if you have thicker doors. the spacer extension will extend the track further from the wall to fit the thicker door.<br><br>4. if you have a door trim, you’d better put a header board that is as thick as the trim and then attach the hardware to the header board. <br><br>5. from the top of the door to the ceiling, you need to have at least 6 inches clearance for the single track bypass hardware kit.<br><br>6. all tracks that are 7.5ft and under come in one piece. all tracks that are 8ft and above are connected by two tracks using a junction plate. thus, the spacing between the middle two holes may not be 16 inches. the 18ft track is connected by three 6ft tracks and the 20ft track is connected by three 6.6ft track.