How to Fix a Cracked Metal Table Leg

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Though welding is a common method used for repairing damage to metal, you can make a strong repair using a cold-weld compound. This inexpensive material is convenient to use, safe and long-lasting. You can repair a crack in many types of metal, such as iron, steel, copper and aluminum in a few minutes. Like metal, cold-welds can be painted to match the surrounding surface. The material is pliable for a short while, allowing you to mold it into shape before it eventually dries to a consistency as hard as steel. Your repair will withstand high temperatures and hold up to heavy use without the need of a traditional welder.

Things You'll Need

  • Cold-weld compound
  • Wooden dowel or paint stirrer
  • Household cleaner
  • Clean rags
  • Coarse and fine grit sandpaper
  • Putty knife
  • Squeeze out equal amounts of material from each of the two tubes included in the package onto a clean work surface. Mix the portions together thoroughly, using a disposable paint stirrer or wooden dowel.

  • Clean the area of the crack thoroughly with household cleaner and and allow it to dry. Remove any paint, primer or rust with coarse grit sandpaper.

  • Roughen the surface to be welded, using the fine grit sandpaper.

  • Apply a bead of the weld along the length of the crack, using a putty knife or wooden dowel. Fill the area completely and lightly smooth the surface.

    Remove any excess material around the repair site with a rag.

  • Allow the cold-weld to cure for 4 to 6 hours, and then use fine sandpaper to sand the compound smooth and even with the surrounding area.

    Wipe away any loose material with a clean rag.

  • Allow the cold-weld compound to dry completely overnight and apply a coat of paint to blend the repair with the surrounding surface.

Tips & Warnings

  • Clean up any excess weld material with soap and water before it sets up. It stays pliable for 30 minutes after mixing the portions together.
  • Set a heat lamp or light bulb near the welded area to hasten the drying time.
  • Let the mixed compound portions thicken for 15 minutes in hot temperatures to prevent running and sagging during application.

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