Mechanic Tips

Fixing a Cracked Windshield: Why It’s Crucial

The Unseen Dangers of a Cracked Windshield

Imagine driving on a serene highway, the sun setting in the distance, and suddenly a small rock hits your windshield, leaving a minor crack. It seems insignificant, right? Wrong. That small crack can morph into a major safety hazard faster than you think.

Understanding Windshield Integrity

Your car’s windshield is more than just a piece of glass. It’s a critical component of the vehicle’s structural integrity. In a rollover, for example, the windshield provides up to 60% of the cabin’s structural strength. It also supports the deployment of passenger-side airbags, ensuring they function as intended during a collision.

Risk of Structural Compromise

A cracked windshield can weaken this structural integrity. During an accident, a compromised windshield might fail to support the roof, leading to severe consequences. The risk extends to airbag deployment, where a weakened windshield may not withstand the force, disrupting the airbag’s direction and efficacy.

Visibility and Distraction Concerns

A crack, especially in the driver’s line of sight, can distort and reduce visibility. This distortion isn’t just a nuisance; it’s a genuine safety concern. The human eye instinctively travels to the crack, creating a dangerous distraction.

Legal and Insurance Implications

In many regions, driving with a damaged windshield is illegal. This law is not arbitrary; it’s a safety measure. Insurance companies often cover windshield repairs, recognising their importance. Neglecting a windshield repair could lead to failed vehicle inspections, legal fines, and voided insurance claims in case of an accident.

The Progressive Nature of Windshield Damage

Windshield cracks don’t remain static. Temperature changes, road vibrations, and even the car’s own motion can cause a small crack to spread. This progression can happen overnight, transforming a simple repair into a full windshield replacement, which is more costly and time-consuming.

Repair vs. Replacement

Small chips and cracks can often be repaired quickly and affordably. However, if the damage is in the driver’s line of sight, larger than a dollar bill, or near the windshield’s edge, replacement becomes necessary. Timely repairs can prevent the need for a more expensive replacement.

The Environmental Angle

Repairing a windshield, rather than replacing it, is an environmentally friendly choice. Windshields are not easily recyclable due to their layered composition, so repair helps reduce waste.

Choosing the Right Service

Selecting a reputable service for windshield repair is vital. Poor-quality repairs can lead to issues like improper fitting, leaks, or even the windshield popping out in an accident.

SNC Automotive: Your Trusted Partner

At SNC Automotive, located in Brendale, we understand the crucial role of a well-maintained windshield. Our certified mechanics are equipped with the latest tools and expertise to handle any car problem, ensuring your safety on the road.


How quickly should I address a windshield crack?

Addressing a windshield crack as soon as possible is essential. Even a day’s delay can lead to the crack worsening, increasing the risk and cost of repair.

Can a small crack really impact the structural integrity of my vehicle?

Absolutely. Even a small crack can compromise the windshield’s strength, impacting the vehicle’s overall safety, especially in a rollover or during airbag deployment.

Is it worth using insurance for windshield repair?

Yes, many insurance policies cover windshield repair with no deductible. It’s a wise decision to use your insurance for this critical repair.

How do I know if I need a repair or a full replacement?

If the crack is smaller than a dollar bill and not in the driver’s line of sight, a repair is usually sufficient. However, larger or strategically placed cracks often necessitate a replacement.


Neglecting a cracked windshield is like ignoring a ticking time bomb. It’s not a question of if it will cause problems, but when. At SNC Automotive, we prioritise your safety and offer expert services to address these issues promptly. Drive safe and remember, a clear view through your windshield is your first line of defense on the road.

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