Johnson Hardware’s sliding wall-mount door hardware reportedly allows greater flexibility around doorways than a swinging ...

Step 6: Lubricate the Track Before reinstalling the door, apply a silicone-based lubricant to the track. This helps the door slide smoothly and reduces wear and tear on both the track and the rollers.

A sliding glass door operates much like a train. Rollers fastened to the underside of the movable panel are designed to glide along a track on top of the threshold.