How to repair windshield pits

Written by nathan fisher
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How to repair windshield pits
A pitted windshield can pose a safety risk if it obscures your vision. (sur la route image by valérie Beunardeau from

While smaller chips in a windshield, known as "pits," may not pose a risk of turning into cracks, they can be dangerous if they obscure your vision. You can repair windshield pits with a special resin-based polymer that fills in pits and is then buffed smooth after it has cured. While some auto parts stores sell supplies separately, it may be easier, and more cost-effective, to purchase a kit. Keep in mind that kits may not all have the same components and you should confirm you have all the necessary items.

Skill level:

Things you need

  • Windshield pit repair resin
  • Ultraviolet curing light
  • Curing film
  • Razor blade
  • Buffing wheel
  • Drill or electric buffer
  • Glass polish

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  1. 1

    Wash and dry the windshield.

  2. 2

    Apply pit resin, one drop at a time, until the pit is filled.

  3. 3

    Place a strip of curing film over the resin and apply the ultraviolet light for three minutes.

  4. 4

    Rest the area for five minutes and test gently with your fingernail. If the resin feels hard, gently remove the film by scraping with a razor blade.

  5. 5

    Remove any excess resin from the top of the repair with the razor blade.

  6. 6

    Attach the buffing wheel to the drill or buffer. Apply a few drops of glass polish to the repaired area and work the buffer over the repair by moving the wheel in short circular motions, while applying light pressure.

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