With the cost of replacing windshields getting higher all the time, it pays to take the time to repair them if possible. Scratches are a problem that should be addressed not just because they are unsightly, but also because they can be dangerous. Scratches reflect light in a way that hinders visibility, and it can even be blinding when facing bright, direct sunlight. Fortunately, many scratches can be repaired.
Gather the Materials
There are just a few materials needed for repairing scratches in glass, but they may take a little time and research to find. You will need some jewelers rouge, also known as cerium oxide. This can usually be found at a jewelery supply shop or hobby store. Make sure that you buy the type that is red in color. You will also need glycerin, which is available at most pharmacies. Buy these in small quantities, as each batch only requires 2 tablespoons of each product. Gain access to an electric buffer and buy a firm felt pad for it. Then gather a small bowl, some clean rags, clear nail polish and a little window cleaner.
Technique
Make a paste by mixing the water, glycerin, and jewelers rouge in a small bowl. Apply a small amount of the paste onto the scratch on the glass. Mount the felt polishing pad on the buffer, and begin by gently rubbing the compound on the window. Apply pressure a little at a time, as you do not want to press too hard and crack the glass. Let the area dry briefly, approximately 30 seconds, and then wipe the area clean with a rag.
Finishing Touches
Inspect the area and look to see if it has been repaired to your liking. If not, repeat the process. Many times, multiple applications will yield better results. If you find that there is a little distortion in the surface of the glass after finishing, you can apply a little clear nail polish to repair it. Allow it to dry completely and finish the job by cleaning any residue with window cleaner.
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