CCJH sliding barn door hardware is professionally designed by Evergreen International Company. With 10 years experience in designing and manufacturing barn door hardware, now we have 40 hanger styles and 4ft-20ft track sizes(full size) to meet your different needs. Strict quality control and advanced technology makes CCJH Sliding Barn Door Hardware more reliable. It is widely used for kitchen, laundry room, storage room, closet, bathroom and entertainment console. Package Including: Spliced rails with pre-drilled long holes--Easy installation. Full set rail spacer & screws--Fit wooden & concrete wall. Pure carbon steel hanger rollers--Sliding noiseless. Door stoppers--Quiet close with nylon cap and spring wing. Floor guide--Stabilize the bottom to keep it from swinging. Anti-jump disk block--Prevent the door from falling down. Read more Q: How much space do I need above the doorway? A: 6" clearance is needed from the top of the door to the ceiling (or crown molding) for CCJH sliding barn door hardware kit to fit accurately. Q: What is the clearance from door panel to the wall？ A: The clearance between door panel and wall is about 5/8". Q: How to do if there is a door trim? A: You should put a header board that is as thick as the door trim and install the rail to the header board. Read more J Shaped Y Shaped Diamond Style Anchor Shaped Big Wheel Style Brand: CCJH CCJH CCJH CCJH CCJH Compatibility: Single Door Single Door Single Door Single Door Single Door Loading Capacity: 220lbs per door 220lbs per door 220lbs per door 220lbs per door 220lbs per door Fit Door Panel Thickness: 1 1/4"-1 7/8" 1 1/4"-1 7/8" 1 1/4"-1 7/8" 1 1/4"-1 7/8" 1 1/4"-1 7/8" Min Space Above Door: 6'' 5'' 6'' 6'' 9''