Car TalkCar MaintenanceYour Ultimate Guide to Windshield Crack Repair!

Your Ultimate Guide to Windshield Crack Repair!

Often overlooked, windshield cracks, no matter how small, can bring serious consequences. While limiting your view, it can also be a safety concern.

You could also be liable for legal issues in some states since the vehicle does not meet road safety requirements.

You can keep your windshield in the best condition when you learn the basic maintenance practices and when to hire professionals.

Here is what you need to know about windshield crack repair for you to make the most informed decision for your safety and your pocket.

Understanding the Types of Windshield Cracks

The first step when repairing a crack is identifying the type, as this will determine how to repair it. The most prevalent types are bullseye, star, combination, edge, and stress crack.

For instance, a bullseye crack will be circular and fixable if it measures less than one inch. Conversely, an edge crack spreads from the windshield edge and is potentially dangerous to the structure’s integrity.

Understanding what you have helps you address it efficiently, saving money and time. Star cracks will spread faster, and combination cracks usually require a closer inspection to know whether repairing is even possible.

A replacement becomes necessary if you are considering selling your car in the future. If you see any sign of a crack or chip, act in time before the problem becomes any more serious.

DIY Repairs vs. Professional Services

For minor chips and cracks, do-it-yourself repair kits can be found easily in auto parts stores and online.

They usually contain resin, applicators, and curing strips.They are suitable for small, shallow chips but will not be effective on larger or deeper ones.

Do-it-yourself projects, however, need accurate following of the instructions. Errors can lead to permanent damage or a poor fix.

You should consider professional services for better results. Trained glass specialists from companies like van isle glass will assess whether the damage is fixable or if a complete replacement needs to be done.

Repairing with modern equipment and materials helps to restore visibility and strength. When engaging the experts from any company, consult more about their expertise and assess their level of technology.

You want to be sure that repairs are carried out accurately and quickly the first time.

fix windshield crack
For minor chips and cracks, DIY repair kits can be found easily. (Photo: Shutterstock)

Factors That Affect Repairability

There are a number of determinants of whether a windshield crack is repairable or if one should replace it.

Depth and size are the top factors in most cases. Cracks that are less than six inches in length and chips that are less than a quarter in size can be repaired.

Another consideration is the duration for which damage has been present. The longer a crack has been unsealed, the longer it has had time to expose itself to dirt and debris that can cause more harm.

Weather like extreme cold or heat can also expand cracks further, turning what appears to be minor problems into something much larger overnight. This is why cracks must be repaired when discovered.

The Process of Minor Repairs

If you choose to repair minor cracks, it is helpful to understand what the process involves. First, the broken area will be thoroughly cleaned by the technician to remove any debris or dirt.

The crack will then be filled with a special resin that is vacuum pressure-pumped down into the crack to seep deep.

Lastly, the resin is treated with ultraviolet light to harden and cure the resin, providing strength to the glass.

Once cured, the surface is subsequently polished out to remove any roughness and make it clear. It is something that will only require under an hour and is far less expensive compared to a complete windshield replacement.

Though you may still get a slight indication of where the crack was, a good repair stops it from propagating and restores the windshield’s structural integrity.

When Replacement Is the Only Option

If the crack is longer than six inches or is on the edge and cuts inwards, a new windshield is likely needed.

Similarly, if cracks or chips are scattered close together, they are less effective to fix and necessitate a new windshield in order to be safe.

Replacement is also called for if cracks obstruct the line of sight. Even in cases of minor damage, anything that impedes the driver’s view poses a risk.

Windshield replacement is a little longer, typically a few hours or more, depending on the adhesive utilized.

windscreen crack repair
If the crack is longer than six inches or is on the edge and cuts inwards, you need a new windshield. (Photo: iStockphoto)

Cost Considerations and Insurance

The cost is a significant consideration when setting an accurate budget. Repairs are often not too costly, ranging from $50 to $150, while replacement costs from $200 to $1000, based on the model and the manufacturer of the vehicle.

High-end or new vehicles will be more expensive due to additional safety features such as rain sensors or HUD displays.

Many insurance plans cover windshield repair or replacement, with few to no deductibles.

Check your insurance and get in touch with your provider before the job is completed. Some auto glass companies will even process insurance paperwork, therefore simplifying the whole procedure.

Endnote

Though a crack fix in your windshield is primarily cosmetic, it is also an important safety element meant to protect you and your passengers.

Having an eye for replacing versus repairing when the time comes spares you trouble, time, and money in the long term.

What you need is to approach the best repair professional for guidance on which remedy is best!

Matsumoto Naoki
Matsumoto Naoki
Matsumoto Naoki is a senior car blogger at Car From Japan. With a background in mechanical engineering, including experience as a Mechanical Design Engineer at Subaru Corporation, he offers a unique perspective on automotive innovations. Matsumoto's articles provide clear, DIY-friendly instructions and how-to guides to help you confidently maintain your car and save money on repairs. His approachable writing style makes even complex mechanical topics accessible to everyone.
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