How Big of a Crack Can Be Repaired on a Windshield?

Windshield Crack

Windshield cracks are a common issue for vehicle owners, often caused by rocks, debris, and extreme temperature changes. However, not every windshield crack necessitates a full windshield replacement. Understanding when a windshield can be repaired versus when it needs a complete replacement is crucial for both safety and cost-effectiveness.


Key Takeaways: Windshield Repair vs. Replacement

  • Small damage can be repaired: Cracks smaller than 6 inches (dollar bill length) and chips smaller than a quarter can typically be repaired
  • Location matters: Damage in the driver’s line of sight or near windshield edges typically requires replacement

Types of Windshield Damage

Windshield damage varies widely, including small chips, bullseye marks, star breaks, combination breaks, and long cracks. Repairability largely depends on the type and severity of the windshield damage.

  • Small Chips and Cracks: Generally, small cracks or chips smaller than a dollar bill (about six inches) can typically be repaired effectively. Repairing these minor damages early helps prevent further damage, which could lead to needing a full windshield replacement.
  • Longer Cracks and Large Chips: Cracks longer than six inches or chips larger than a quarter usually require professional assessment. These larger cracks, particularly those extending toward the edge of the windshield, often compromise the structural integrity of the windshield.

Importance of Crack Location

Crack Location

The location of the crack significantly impacts whether windshield repair or replacement is needed. Cracks directly in the driver’s line of sight often require complete windshield replacement because repairs might leave distortions affecting visibility. Similarly, cracks near the edge of the windshield tend to spread quickly and compromise structural integrity, typically necessitating replacement.

Professional vs. DIY Repair

While DIY windshield repair kits are available, they are best suited for very small chips and cracks. Professional windshield repair services employ advanced equipment and resin solutions to restore windshield integrity effectively. Professionals also offer warranties for their repairs, ensuring peace of mind for vehicle owners.

Structural Integrity and Safety

The windshield provides up to 60% of the vehicle’s structural integrity during a rollover accident. Even a small crack can significantly weaken the windshield. Ensuring proper and timely repair or replacement is critical for maintaining safety standards.

Influence of Extreme Temperatures

Extreme temperatures can exacerbate windshield cracks. Hot water or sudden temperature shifts can rapidly expand existing cracks, turning small chips into large, irreparable damage quickly. To avoid this, it’s recommended to seek immediate windshield crack repair services upon noticing any damage.

Windshield installer

Insurance Considerations

Many insurance companies cover windshield repairs fully, often waiving the deductible due to the lower cost compared to windshield replacement. Check with your insurance provider to understand your coverage for auto glass repair and replacement.

Conclusion

In summary, windshield cracks smaller than six inches (the length of a dollar bill) and not in the driver’s immediate line of sight are generally repairable. Longer cracks, damage near windshield edges, or impairments directly affecting the driver’s view typically require windshield replacement. Vehicle owners should promptly address windshield damage through professional auto glass repair services to maintain safety and potentially avoid costly replacements.

Call Ottawa Auto Glass today for help!

FAQ

  • Can a 12 inch crack in windshield be repaired?