How to Fix a Scratched Window Glass

Written by faithann marie
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How to Fix a Scratched Window Glass
Fix window scratches with common household items. (window image by Gonçalo Carreira from

Scratches on window glass can be unsightly and difficult to get rid of. However, mild to moderate damage can be repaired with many of items already found in the home or at an auto-repair store. With careful application and a bit of elbow grease, the window can be restored to almost original condition.

Skill level:

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Things you need

  • Soap and water
  • Non-gel toothpaste
  • Clear nail polish
  • Soft towel or cloth
  • Non-acetone nail polish remover
  • Metal polish

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  1. 1

    Check the depth of the window glass scratch by running your fingernail over it. If it catches, the damage may be too deep to repair and replacement of the window may be needed.

  2. 2

    Clean the area to be repaired with warm water and soap. Allow to dry completely. Place a small amount of toothpaste (non-gel) in and around the scratch and wait for it to dry. The drying time should take no longer than 15 minutes. Wipe and buff the area with a soft cloth or towel.

  3. 3

    Apply clear nail polish to the scratch, being careful to only affect the damaged area. Allow the polish to dry completely. Remove the excess polish with non-acetone nail polish remover using a soft cloth or towel. Use a lint-free cloth to avoid getting lint stuck in or around the scratch.

  4. 4

    Place several drops of Brasso or similar metal polish on a soft cloth or towel. Rub it on the damaged area of the window and polish. Do not use heavy pressure or the area can be scratched further. Repeat the process if needed.

Tips and warnings

  • If the scratch proves to be stubborn, purchase a windshield repair kit from a retail or auto-repair store. These kits will be more effective in repairing deeper chips and scratches.

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