A chip in your windshield can be repaired if you act before it becomes a crack

A windshield chip — a small area where glass has broken away but the damage hasn't spread into a line — can often be fixed with a resin injection kit or by a professional glass shop. The key is speed: chips spread into cracks within days or weeks, especially in cold weather or on rough roads. Once a chip turns into a crack longer than a few inches, repair becomes impossible and replacement is your only option.

The choice between a DIY resin kit and professional repair depends on the chip's size, location, and your comfort level. A chip smaller than a quarter, away from your direct line of sight, can often be handled at home for $10 to $20. Larger chips or those in your line of sight are better left to a glass shop, which charges $50 to $150 for repair and often covers the cost through your insurance's glass coverage.

Key Takeaways

  • Windshield chips smaller than a quarter can be repaired with a resin injection kit from an auto parts store, which costs $10 to $20 and takes 30 minutes to an hour.
  • Professional glass shops can repair chips up to about the size of a dollar coin and typically charge $50 to $150, often covered by comprehensive auto insurance with little or no deductible.
  • Chips in your direct line of sight or larger than a quarter are better handled by a professional, since a poor DIY repair can distort your vision.
  • The longer you wait, the more likely a chip will spread into a crack that requires full windshield replacement instead of repair.

How to assess whether your chip can be repaired

The size and location of the chip determine whether repair is possible. A chip is repairable if it's smaller than a dollar coin (about 1.25 inches across) and doesn't involve the edges of the windshield. Chips at the very edge are harder to seal and may not hold. If the chip is in your direct line of sight — the area you look through when driving straight ahead — a professional repair is safer because a DIY kit may leave a visible distortion.

Check whether the chip has already started to crack. Look closely at the damaged area: if you see a line extending from the chip, even a short one, it's no longer just a chip. A crack that has begun will spread quickly and cannot be repaired. In that case, you'll need a full windshield replacement, which your insurance may cover under comprehensive coverage.

DIY windshield chip repair with a resin kit

A resin injection kit is sold at most auto parts stores under brand names like Permatex, Safelite, or Rain-X. The kit contains a syringe of clear resin, an applicator, and instructions. The process takes 30 minutes to an hour, plus curing time. Most kits cost between $10 and $20.

The basic steps are: clean the chip with rubbing alcohol and let it dry completely, explore the resin syringe to the chip following the kit's instructions, press the applicator firmly into the chip to work the resin into the damage, and leave it to cure for the time specified (usually 24 hours). Once cured, the resin hardens and fills the chip, stopping it from spreading. The repair won't be invisible — you'll still see the chip — but it will be sealed and stable.

A DIY repair works best on small chips away from your line of sight. If the chip is large, in your direct sight line, or if you're uncomfortable doing the work, a professional repair is worth the extra cost because they have better tools and can may support the repair doesn't distort your vision.

Professional windshield chip repair at a glass shop

A professional glass repair shop uses equipment similar to a DIY kit but with more precision. They inject resin under pressure, which fills the chip more completely and leaves a cleaner finish. The repair takes 30 minutes to an hour, and the cost is typically $50 to $150 depending on the chip's size and location.

Many auto insurance policies cover windshield repair under comprehensive coverage with a $0 or $100 deductible — sometimes with no deductible at all. Call your insurance company before you go to the shop to confirm coverage and to ask whether they have preferred glass shops. Some insurers will pay the shop directly, so you pay only your deductible or nothing.

To find a professional glass shop, search online for "windshield repair near me" or ask your insurance company for a referral. Safelite, Caliber, and local independent shops all offer repair services. When you call, describe the chip's size and location so they can tell you whether repair is possible or whether replacement is necessary.

Why chips spread into cracks and how to prevent it

A chip spreads because of stress on the glass. Every time you drive over a bump, brake hard, or experience a temperature change, the glass flexes slightly. An unrepaired chip is a weak point where that stress concentrates, and the damage spreads outward in a line — becoming a crack. Cold weather makes this worse because glass contracts and becomes more brittle.

To slow the spread while you arrange a repair, avoid driving on rough roads, don't slam doors, and park in a garage if possible to keep the windshield at a stable temperature. These steps won't stop a chip from spreading entirely, but they can buy you a few days. The real solution is to repair or replace the windshield as soon as you notice the damage.

When you need windshield replacement instead of repair

If the chip has already developed into a crack, or if the damage is larger than a dollar coin, repair is not possible. Windshield replacement costs $200 to $500 depending on your vehicle and whether you choose OEM (original equipment manufacturer) glass or aftermarket glass. Most comprehensive insurance policies cover replacement with a deductible of $100 to $500.

Replacement takes one to two hours at a glass shop. The technician removes the old windshield, cleans the frame, applies a new seal, and installs the new glass. You'll usually be asked to wait a few hours before driving to allow the seal to set, though some shops use fast-curing adhesives that let you drive sooner.

Frequently Asked Questions

Can I drive with a chipped windshield?

Yes, a chip alone is safe to drive with, but it will spread into a crack within days or weeks. Repair it as soon as you can to avoid the larger expense and hassle of replacement. Driving on rough roads or in cold weather speeds up the spread.

Will a DIY resin kit work as well as a professional repair?

A DIY kit will seal the chip and stop it from spreading, but a professional repair is cleaner and more durable. If the chip is small and out of your sight line, DIY is fine. If it's large or in your direct view, a professional repair is worth the extra cost to avoid vision distortion.

Does insurance cover windshield chip repair?

Most comprehensive auto insurance policies cover repair with a $0 to $100 deductible, sometimes with no deductible at all. Call your insurer to confirm coverage before you go to the shop. Some insurers have preferred glass shops that will bill your insurance directly.

How long does a windshield repair last?

A properly done repair — whether DIY or professional — should last the life of the windshield. The resin hardens and bonds with the glass, sealing the chip permanently. The repair won't be invisible, but it will be stable and safe.

What's the difference between a chip and a crack?

A chip is a small area where glass has broken away but the damage hasn't spread into a line. A crack is a line of damage that extends from the chip. Chips can be repaired; cracks cannot. If you see a line extending from the damaged area, even a short one, it's a crack and requires replacement.