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Screen door rollers: when to replace them

Most sliding screen door problems come down to the rollers. They are cheap to replace and the difference is immediate.

Signs they're worn

The door scrapes, needs a shove to move, or drops off the track. You may see the frame sitting low on one side.

Why they wear out

Grit in the track grinds the wheels flat. Heavy use and kids swinging on doors speed it up.

What the repair involves

The door comes off, old rollers come out, new ones go in and the height is adjusted. See screen door rollers.

When the door is past it

If the frame is bent or the corners are loose, a new door is the better option.

Keeping them running

Vacuum the track regularly and don't lift the door by the mesh.