How to Repair a Sliding Mirror Door

Written by amy a. whittle
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How to Repair a Sliding Mirror Door
An old toothbrush may be crucial in repairing your sliding mirror door. (used toothbrush image by timur1970 from Fotolia.com)

Mirrored sliding doors are often used in bedroom closets, where space is at a premium. But without proper upkeep, dirt and minor damage can cause these doors to slide awkwardly or not at all. With mirrored doors, the most likely causes of difficulty are the rollers on the door and the track along the closet door frame. With a little effort and regular cleaning, your sliding mirror door should open and close smoothly.

Skill level:
Easy

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Things you need

  • Wood block
  • Hammer
  • Cloth
  • Toothbrush
  • Degreaser
  • Replacement roller
  • Screwdriver
  • Paraffin stick

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Instructions

  1. 1

    Remove the door by grasping both sides, pressing up and sliding the door out. Be careful when removing these doors, as they can be deceptively heavy.

  2. 2

    Examine the bottom track of the mirrored door for any bumps or dents. To fix any you find, place a block of wood on the inside of the track. While standing on the block to hold it in place, hammer the outside edge of the track to realign the metal. Continue this process until all dents and dings have been removed.

  3. 3

    Clean the top and bottom tracks using a damp cloth and warm water. Use an old toothbrush to remove dirt in any hard-to-reach areas. Clean the rollers attached to the mirrored door and treat any areas that remain sticky to the touch with a good degreaser.

  4. 4

    Inspect the rollers to make sure each one rotates freely. If a roller does not work or is missing, replace it. Remove the old roller with a screwdriver and screw the new roller into place.

  5. 5

    Coat the rollers and track with a paraffin stick to encourage easy gliding using a paraffin stick. These sticks are made for sliding doors and hinges and can be found in most home-improvement stores.

  6. 6

    Put the mirrored door back in place, reversing the process used to remove it. Examine the top and bottom of the door in relation to the track: there should be an equal gap at both top and bottom. If the gap is noticeably uneven, twist the adjustment screw at the bottom of the rollers. Twist clockwise for a door that is too low; counterclockwise for a door that is too high.

Tips and warnings

  • Before attempting to repair your sliding mirror door, make sure it is good condition. Most mirrored doors are made of metal, making the actual door very difficult to fix if it is broken, even if the glass is still intact. A broken door must be replaced, not repaired.
  • Inexpensive mirrored doors may not have adjustment screws or replacement rollers. In this case, try the other steps in this article. If none of them work, you may have to replace the door.

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