A rock hits your windshield on the freeway and leaves a chip or a crack. Can it be fixed, or does the whole windshield need to be replaced? Here’s how to tell, and why acting fast saves money.
When a windshield can usually be repaired
- The chip is smaller than about a quarter
- A single crack is shorter than a few inches
- The damage is not right in front of the driver
- It’s at least a couple of inches away from the edge of the glass
- Only the outer layer of glass is damaged
- There are only one or two chips, not many
When it needs to be replaced
- A crack is long or is still spreading
- The crack starts at or reaches the edge of the glass. Edge cracks weaken the windshield and spread fast.
- The damage is in the driver’s direct line of sight, where even a good repair can leave a slight distortion
- Both layers of glass are damaged, or the inner layer is cracked
- The damage is over the camera or sensor area behind the mirror
- It’s a side window, back glass or tempered sunroof. Tempered glass can’t be repaired.
How a chip repair works
The technician cleans the chip, removes air and moisture, injects a clear resin under pressure, and cures it with UV light. The repair stops the chip from spreading and makes it much harder to see. It usually takes well under an hour and can be done in your driveway or parking lot. A repaired chip won’t be invisible, but it keeps the original factory seal and glass.
Why fixing a chip fast matters
Chips turn into cracks. Heat, cold, a car wash, a pothole or closing a door hard can make a chip spread overnight. Once it’s a long crack, repair is off the table and you’re paying for a full replacement, often plus ADAS calibration. Many insurance companies cover chip repair with no deductible because it’s so much cheaper than a replacement.
Repair vs replacement at a glance
| Repair | Replacement | |
|---|---|---|
| Time | Usually under an hour | A few hours including cure time |
| Cost | A fraction of replacement; often covered by insurance | Glass, adhesive, labor, often calibration |
| Calibration | Not needed | Often needed on vehicles with cameras |
| Factory seal | Kept | Replaced with new urethane |
| Works on | Windshields (laminated glass) | Any auto glass |
What to do right now
- Put clear tape over the chip to keep dirt and water out.
- Avoid blasting the defroster or AC straight at the glass, and skip the car wash.
- Take a photo next to a coin for size and send it to us.
Related: windshield chip and crack repair · windshield replacement · what changes the price · all about auto glass
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Send us your year, make, model and VIN and tell us which glass is damaged. We’ll check your insurance and the parts available, and give you the real number. Mobile service across Orange County, 8am–5pm, 7 days a week.
