ZEKOO Hardware have devoted to the development of barn door hardware over 10 years, improve and upgrade products to give each family the best choice Only the hardware is for sale, door is not included, we are professional factory, accept mass customization. Tips: 1)The hardware kit is heavy, we suggest to install the track on the studs of the wall. The hardware kit can also be installed on the brick wall and wood wall. If the wall is drywall or sheetrock, and no studs in the wall, the installed track might descend, the kit will not work. 2)If there's thick trim/baseboard/deco on the wall, you may need install the headboard on the wall, then install the track on the headboard. If you can't sure that if the headboard is needed or not, please let us know, we will assist you. 3)The recommended door thickness is from 1-3/8" to 1-3/4", because the size of offset hanger is fixed, the door thickness can't more than 1-3/4". If door is thin, you may need to check the gap info below, to know the gap between door&wall, inside door&outside door. Our instructions step by step with fractional measurements in inch, have detailed word instructions with pictures 1. Mark and drill track and bracket holes One-piece 4ft long sliding track without joints, Pre-drilled 16" apart holes on trackKeeping the tracks level is VERY IMPORTANT1 X 4FT track 2. Install the inside track use spacers and bolts Our bolt is 8.8 grade high strengh bearing capacity, fit for concrete wall and wooden wallIf your door is thicker than 1-3/4" or have doorway trim, we have 2'' spacer can free for you3 X 1-3/8'' spacers 3. Drill hole on door and attach inside door hanger Door weight capacity is 200lbThe single track bypass hardware is use for double door, door thickness is 1-3/8" ~ 1-3/4"2 X straight hangers 4. Drill hole on door and attach outside door hanger We have different bolts for your different thickness door if you need, we will free for you.2 X bending hangers 5. Install Door Stoppers with wrench Stopper can prevent the door falling off from the track, one door have 2 stoppers, ensure the stability and safetyRubber covered, good damping effect, reduce the noiseUse 2 screws to fix stopper on track, it is very fasteningYou can put it on track where you want to stop your door, easy to remove if you want adjust2 X stoppers 6. Hang your door and install Anti-jump Pad on top of door Anti-jump Pad can prevent door to be lifted off rail, ensure the stability and safetyInside door use the circular anti-jump padsOutside door use the special production anti-jump pads4 X anti-jump pads 7. Adjusting your door the opening and closing positions then install floor guide Floor guide can prevent the door swinging out or up against the baseboard, let your door slide on same locusOur floor guide have 2 installation methodsIf you don't want to install on floor or slot in your door, we have different kinds of guides can help your project2 sets X floor guides 8. How to choose size？ Track's length should be at least of the opening (you can use the track which is a little bit longer). For example, if your opening is 48'' wide, you will need at least 60'' long track, and please let your two door width than your opening about 10''-12''The gap between inner door&wall is about 5/8'' , the gap between two door panels is about 1-3/16'' ( based on door thickness: 1-9/16'' )Ceiling space from top of the door to ceiling only need 6'' About some questions Q: Can i cut the track? A: Yes, you can cut it into any length of you want Q: How about If the studs don't line up with the pre-drilled holes in the rail or there is a doorway trim? A: You can add a headboard Q: How width from outside door to wall? A: It is 5'' Q: Do you accept customization? A: Yes, We are professional factory, accept mass customization About our product High purity bearing steel Gcr15 (Special material for bearing), nsure smooth sliding and stand wear and tear The material is heavy duty high carbon steel, thickness is 1/4'' We have large processing factory and advanced equipment， excellent professional design, production and workmanship Only the hardware is for sale, door is not included Single track bypass barn door hardware can help you save space, easy complements your kitchen, wardrobe, bathroom, bedroom, storeroom