The end cap for the box rail fits inside and can be driven flush with a hammer. It keeps the hanger wheels from exiting the box rail. If the door isn’t already finished with paint or stain, seal and/or prime all sides and edges to prevent it from warping. The new door works great for everyone but Buddy.
There are lots of door combinations and mounting methods to this type of sliding door setup. A pocket-door track is hidden behind a valance on this set of custom double doors.
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