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How to Repair a Crack in Stained Glass

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Stained glass is beautiful to look at and enjoyable to create. However, it is incredibly fragile. Even the smallest cracks in stained glass can be worrisome, especially for fear that the crack may spread and destroy the artwork. Instead of hiding the stained glass in your garage or somewhere else it won't be seen, simply repair the crack. In only three to five hours, you can have your stained glass nearly as good as new. Using a few items that you likely already have at home and following a few steps will have you on your way to fixing the crack.

Pour approximately 1/8 cup of baking soda into the bowl. Add two to three drops of the liquid ink to the baking soda and mix them together thoroughly. Check the color to see if it matches the color of the cracked glass pane. Add additional ink if the mixture is too light. Add additional baking soda if the mixture is too dark.

Apply super glue to the crack on the stained glass.

Spoon the colored baking soda over the super glue. Tilt the stained glass to pour off the excess baking soda. If you are repairing a vertical window, hold a cake pan underneath the crack to catch the excess baking soda. Within a few seconds, the baking soda and super glue will form a putty.

Spread the baking soda and super glue putty along the crack with your finger. Act quickly because the putty will solidify in a few minutes.

Clean off any putty around the crack with a damp rag. Do this immediately, before the putty has a chance to solidify.

Scrape off any putty above the surface of the stained glass with the razor blade. This tends to work best when the razor blade is held at approximately a 45-degree angle.

Allow the stained glass several hours to dry before moving it. After three to five hours, the putty will harden and fill in the crack in the stained glass.

Things You'll Need:

  • Clear-drying super glue
  • Baking soda
  • Liquid ink matching the cracked area
  • Bowl
  • Plastic spoon
  • 9-by-13-inch cake pan
  • Razor blade
  • Soft rag
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