Patching a Wooden Garage Door

If you have accidentally bumped your garage door with your vehicle, and you have a hole or crack left in the wood as a result, you will want to fix it in order to be able to open and close your door without risk of further breakage. Leaving the damage could also result in moisture being retained in the wood which would in turn cause rotting or mildew. Repairing small cracks or holes in a wooden garage door can be done using a few items you can pick up at your local hardware store. Here are some instructions you can use to patch a wooden garage door with ease.

Materials You Will Need

  • Bucket of soapy water
  • Sponge or scrub brush
  • Tweezers or needle nose pliers
  • Epoxy wood filler
  • Sander and sandpaper
  • Paint and paintbrush

Evaluating the Damage

Before you start the repair, take a look to see how deep the hole or crack in the wood. If there is damage clear through to the other side of the door, a contractor or garage door repair specialist would be the best bet in having your door repaired properly. If the damaged area is not that extensive, it can be patched yourself.

Prepping for Repair

Before you make a garage door repair, clean the affected area thoroughly so that the filler you will be using will have a chance to adhere without obstruction. Wash the broken area with soapy water, being sure to get the inside of the hole or crack cleaned. If there are parts of wood that have splintering, remove the pieces using tweezers or needle nose pliers. Let the area dry before starting your repair. 

Repairing the Wood

After the wood has been cleaned and dried, you can fill in the hole using an epoxy wood filler. Tear off a piece of filler from the block you have in the package you have bought. Roll it around between your fingers so it becomes pliable. When it feels as if it can be molded, place it in the crack or hole to fill it. Use your fingers to push it into place and spread it over the entire broken area, smoothing it into place.

Finishing the Look

After the epoxy hardens, use a sander to smooth the surface of the putty so it becomes uniform with the rest of your garage door. Use medium-grit sandpaper if the epoxy seems to be rounded over the wood, as it will remove more of the putty. Finish with fine-grit paper so the door appears smoothed and level. Repaint the area you have just repaired. If you want to hide the repair completely, repaint the entire door so it will blend in under the color.


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