It's not unusual, though, for older sliding patio doors to show their age. The rollers and tracks are subject to wear, making operation difficult. Handles may break and latches may become misaligned.

A sliding screen is supported on rollers that ride in a track. Lift it until the rollers clear the track. Then, pull the bottom out and lower the door until it clears the top edge of the frame.

For your sliding doors to move easily, sliding door tracks and rollers are critical elements. The performance and lifetime of door systems, whether they’re new or upgraded, are substantially ...