How to Repair a Cracked Wooden Cabinet Door

A cabinet door can sustain damage ranging from a few scratches, to a deep crack in its surface from being struck into the door frame, or from small children swinging from it. You can fix cracks in wooden cabinet doors effectively by following these steps.

Step 1:    Determine the Depth and Full Length of the Crack

Examine the door closely to get a good look at the full extent of the crack in the wood, and how visible it will be once repaired. Also check how far it is from the edge, top or bottom of the door and its handle.

Step 2:    Clean Off the Door Surface

Clean the wood surface of the door with soapy hot water to remove any grease. Rinse the door surface well with hot water, to expand the crack slightly.

Step 3:    Strip Off any Existing Paint or Varnish

Using paint stripper, remove any paint or varnish currently on the surface around the crack. These finishes adhere so tightly to the wood that they will prevent the crack from resealing when filled.

Step 4:    Remove any Materials Used to Patch the Crack Before

Sponge the crack with a clean cloth soaked in hot water to loosen and release any caulk,  putty, epoxy glue or other materials used to try to patch the crack previously.  Allow the crack to dry for several hours.

Step 5:    Sand the Inside of the Crack and the Edges to Roughen Slightly

Using the coarse-grit sandpaper, sand the inside of the crack and the surface edges to ensure a moderately rough surface, to which the epoxy wood paste will hold more firmly.

Step 6:    Apply the Wood Epoxy Glue to the Inside of the Crack

Fill the crack in the door with the epoxy wood paste right up to the surface. Spread a small bit of the paste over the sanded surface to help close and bond the edges of the crack together.

Step 7:    Clamp the Crack on Both Sides

Attach wood clamps across the crack where possible to hold the sides as closely together as possible while the wood epoxy glue dries. This will help create a more inconspicuous repair. Drying time should be about 3 to 4 hours.

Step 8:    Refinish When the Cracked Patch Has Dried Thoroughly

When the crack is dry, remove the clamps carefully. Sand all around the repaired area with the fine-grit sandpaper to create a smooth surface. Refinish as neatly as possible with the varnish or paint used on the other doors. If the refinish does not look satisfactory, strip and refinish the entire door, or take the opportunity to revive all your kitchen cabinet door fronts with a cleaning and refinishing in the current color of paint or varnish, or choose a new finish.

The important factors for success in wood patching are clean, dry surfaces, careful preparation and filling, and patience to ensure the patch is completely dry before refinishing.