A door that drags or scrapes along the bottom of the track, rather than gliding just above it, usually means the roller height needs adjustment or the rollers themselves are worn down.
A quick roller height adjustment often resolves dragging immediately. If the rollers themselves are worn down rather than just mis-adjusted, replacement restores proper clearance.
Dragging means the door scrapes along the bottom of the track rather than gliding just above it, different from being fully stuck or off track.
Don't keep sliding it repeatedly while dragging, this wears a groove into the track that makes the eventual repair more involved.
Continued dragging wears down both the roller and the track surface simultaneously, doubling the repair scope.
Cost: $180-$320 for roller height adjustment or replacement.
Time: 45-75 minutes typically.
Repair, usually a roller height adjustment or roller replacement.
Heavier impact-glass doors, common in South Florida for storm code, put more strain on rollers, accelerating the wear that causes dragging.
No, a dragging door is still on the track, just riding too low. An off-track door has come out of the channel entirely.
Sometimes, if the rollers are otherwise in good shape, a height adjustment is enough.
Get a free quote, often a quick adjustment fixes it.