The metal track along the threshold of a sliding patio door takes a daily pounding that eventually renders it badly bent and crooked. All those battle scars not only leave the track looking ugly, but they also cause the door to ride roughly and hop off the track with annoying regularity. To repair the damage, lay a wooden block into the track, place one foot on top and then use a hammer to pound out the bends, bumps, and wrinkles.
Repairing Crooked Sliding Door Tracks
Quick fix for a sliding door