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 wallï¼
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.