How to Prevent a Windshield Crack From Spreading

Jan 05, 2021

If your car has a windshield crack, it's crucial to stop it from spreading. This guide explains how to prevent a windshield crack from spreading.

Are you driving with a windshield crack or chip? Did you know that many Illinois insurers offer zero-deductible policies for glass claims? This means that you don’t have to pay anything to get your windshield replaced.


Having a crack in your windshield is more than a cosmetic problem. In Illinois, this is considered a traffic violation. It also poses a safety risk.


Keep reading to learn more about how to keep your windshield crack from spreading.

Safety Concerns Related to a Windshield Crack

You may think that as long as the crack isn’t interfering with your vision, you’re fine. Windshields provide a significant safety factor if you’re involved in an accident. The windshield and sealant system strength help prevent roof collapse in rollover wrecks.


Intact windshields keep at least 
50 percent of the glass in place during a 30-mph head-on impact. This can help prevent a person from being ejected and reduce injury.

Illinois Law Related to a Cracked Windshield

In Illinois, driving with a cracked windshield is against the law. The fines vary, but you need to get your windshield repaired if it’s damaged. You'll avoid a traffic ticket and increase your safety.


The Illinois Vehicle Code, Chapter 12, Article V addresses cracked windshields. It states that persons may not drive with damaged vehicle glass.


This includes the windshield, rear windows, or side windows. It also prohibits repairs that interfere with the driver's view out of any of these windows.

Cracked Windshield Repair to Prevent Spreading

Historically, every chip or crack meant replacing the entire windshield. Today, you can often have chips that are smaller than a quarter repaired. This may also be true for cracks shorter than a few inches.


Windshield repair costs less than replacement. Be aware that some insurance carriers want the windshield replaced instead of repaired. Speak with your insurance agent to determine if you will have to pay a deductible.


An important part of the decision for whether to repair or replace a windshield is the crack’s location. If it’s located in your direct line of sight, you need a replacement. Repairing small chips or cracks can cause distortion and affect visibility.


Glass experts recommend windshield replacement if the crack touches the edge. These kinds of cracks spread quicker and more easily. Thus, even if you try a repair, it often fails.


To fix a chip or crack, the glass repair company uses special polymer resins. They inject the resin into the crack and let it dry. Next, they smooth the surface making the defect almost invisible.


There are do-it-yourself options available. Yet, the outcome is often unsatisfactory. Professional auto glass technicians have the training, tools, and resins for optimal repairs.

Cost of Windshield Repair or Replacement

If you get a chip or crack in your windshield, you should file a claim with your insurance company. There’s no deadline for filing a glass claim but waiting can lead to increased cracking. This reduces safety and can lead to a more costly repair.


The cost of repairing a small crack or chip depends on the size and number of damaged areas. They may range from $60 to $100.


An average cost estimate for replacing a windshield is about $400. If you drive a rare or luxury car, the cost can be even higher.


Now let’s think about the cost in terms of injuries during a traffic accident. In 2019 about 38,800 Americans died in motor vehicle crashes. This translates to about $55 billion to pay for medical care and lost work costs.


The National Safety Council also estimated that 4.4 million people had injuries requiring medical care. During this same time, 1,009 vehicle accident-related deaths occurred in Illinois alone. Also, about 94,164 crashes result in injuries.


These statistics don’t reflect the total impact. These injuries also caused pain and suffering among the victims and their families. Is the cost of a windshield repair or replacement really that expensive?

When Should You Opt for Windshield Replacement?

Many people’s financial resources are stretched today. They’re looking for the most economical solution to all situations. So, when you hear a loud pop while driving and see a chip or crack, what is the best choice?


Consider the following checklist when deciding to take your car to a professional:


  • What will my insurance cover?
  • Damaged windshields increase the risk to me and my passengers in a car wreck
  • If the crack is bigger than 14 inches or the chip bigger than one inch, replacement is required
  • If you’re in Illinois, you can get a traffic ticket and have to pay a fine
  • If the crack is several layers deep, it negates the protective effect of safety glass
  • Deep cracks also reduce the safety rating of other cabin features such as airbags
  • If the crack touches or is within one inch of the edge, you’re risking safety and moisture seepage
  • Chips or cracks in your line of sight reduces visibility and increases your risk of harm


Having one or more chips or long cracks can catch the sunlight. This can cause you to blink or have a temporary blind spot.


Glints and glare distract and interfere with your ability to focus on driving. This tiny effect could lead to big consequences including injuries and death.

Are You Looking for Auto Window and Paint Services Near You?

Having a windshield crack is no small matter. It’s important to have it evaluated and repaired by an expert. This increases your safety and keeps you within the law.


Xtreme Auto Glass & Window Tint has served Illinoisans for over 15 years. Our experts use LLumar window film from the world's largest manufacturer. We’re located in Addison, its surrounding areas, and all the way to Chicago.


Our experts apply window tinting and repair or replace glass for automobiles. We’ll also take care of your auto paint protection and apply vehicle wraps.


Get a free estimate today.

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