CCJH 12FT Bypass Sliding Barn Door Hardware Kit Double Track Low Ceiling Heavy Duty for Double Wooden Doors, Basic Hanger

CCJH Bypass Sliding Barn Door Hardware Kit Double Track Pre-purchase Information   Doors are not included, only the hardware kit is for sale. Q: What is the compatible door thickness?   A: 1- 3/16"-2"(3-5cm).   Q: What is the minimum clearance required above door?   A: At least 6".   Q: How to choose size？   A: Track's length should be at least of total door width or the opening (you can use the track which is a little bit longer).For example, if you have two doors that are each 36'' wide, you will need 2*36'' = 72'' long track. or if your opening is 72'' wide, you will need at least 72'' long track   Q: What should I do if I have a doorway trim?   A: Add a wood plate on wall,then install hardware on wood plate.   Q: My studs don't line up with the pre-drilled holes in the rail?   A: Add a wood plate on wall,then install hardware on wood plate. Safety-ensuring Measures   Support Bracket: It is made of thick carbon steel,connecting two tracks. The longer the tra