How to Replace & Repair a Pane in a French Glass Door at Home

Written by elizabeth arnold
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French doors feature several glass panes, which are held in place by trim. The trim is located around the entire outer edge of the pane -- on both sides of the door -- and is held together with a fastener such as a small finish nail or staple.

Skill level:
Moderately Easy

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Things you need

  • Flat head prying tool
  • Hammer
  • Pane of glass
  • Wood filler
  • Sandpaper
  • Paint

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  1. 1

    Tap the flat head of a prying tool under the pane trim to pry the trim off the door. If the fasteners don't come out with the trim, they will need to be removed with a hammer claw or a prying tool once the trim is out. You'll only need to remove the trim on one side of the door.

  2. 2

    Remove the broken pane from the French door. Avoid handling the broken edges of the glass.

  3. 3

    Take the broken pane to a glass company and have a duplicate made. If the old pane isn't available, remove a good pane from the door so that a duplicate can be made. This will ensure that the replacement pane is the correct size, length, width, and thickness.

  4. 4

    Place the new pane into the French door. Slide the pane back until it is pressed up firmly against the back edge of the trim on the opposite side of the door. The pane should fit snugly into the opening.

  5. 5

    Using a hammer claw or pliers, remove any old nails or staples from the trim. Reinstall the trim around the pane. Use the same fastening method to secure the trim back into place. Place a small amount of wood filler on a putty knife and fill in any holes.

  6. 6

    Sand the filler by hand using a light grit sandpaper after the compound has dried. Place blue painters tape around the outer edge of the pane and use a paint brush to touch up any marks on the trim as needed.

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