Windshield Chip Repair: Types, Process & What to Expect

A Plus Auto Glass — Your Certified Auto Glass Experts

Your windshield is more than just a piece of glass—it’s a critical safety component of your vehicle. As Houston’s leading auto glass company, APlus Auto Glass specializes in professional windshield chip repair services, guaranteeing your safety while also restoring your peace of mind. Our experienced auto glass technicians are ready to deliver a quick, reliable, and premium service customized to your vehicle’s auto glass needs, whether it is a tiny chip or a spreading crack.

Ready for a safer drive? Contact us today to schedule your windshield replacement service!

Types of Windshield Chip Damage

Not every chip looks or behaves the same. The type determines whether repair is viable and how urgent it is:

Bullseye

Circular damage with cone-shaped impact point.

Repairable when under 1 inch diameter.

Half-Moon

Semicircular bullseye where only part of the cone formed.

Responds well to resin when treated early.

Star Break

Multiple cracks radiating from central impact.

Usually repairable if legs are under 3 inches.

Combination Break

Mix of star and bullseye patterns.

Case-by-case depending on overall diameter.

Crack Chip

Single linear crack from a small impact point.

Repairable if under 6 inches and not in driver's line of sight.

Pit / Surface Chip

Shallow divot without deep penetration.

Quick fix that prevents dirt intrusion.

Edge Crack

Crack starting within 2 inches of windshield edge.

Often requires replacement – edge damage compromises structural integrity.

How Professional Windshield Chip Repair Works

Step 1

Damage Assessment

Technician inspects the chip under magnification to determine type, depth (outer layer only or through to PVB interlayer), and whether moisture or debris has entered the break. Contaminated chips are harder to repair with full clarity – addressing damage quickly matters.

Step 2

Preparation & Cleaning

Damaged area is cleaned with acetone or specialized glass cleaner to remove loose debris. If moisture is trapped, a probe or heat is used to dry the area.

Step 3

Resin Injection

A bridge injector is centered over the chip. The device creates a vacuum to pull trapped air out, then injects optically-matched acrylic resin under controlled pressure. The resin fills every leg and branch of the chip pattern. Professional shops use resins with a refractive index close to 1.52 – matching the glass – so the repair becomes nearly invisible.

Step 4

UV Curing

Resin is cured using ultraviolet light. UV exposure hardens the resin in 60–90 seconds, bonding it permanently to the glass.

Step 5

Polishing & Inspection

Excess resin is scraped with a razor blade and polished flush with the windshield surface. Final inspection confirms clarity and that no air pockets remain.

Chip Repair vs. Full Windshield Replacement

The decision isn't just about size. Professionals evaluate:

Size and Type

Chips under 1 inch and cracks under 6 inches are candidates for repair. Star breaks, bullseyes, and half-moons respond best to resin.

Location

Damage in the driver's critical viewing area may require replacement even if small – repair can leave minor distortion. Chips within 2 inches of the edge also need replacement since they compromise the glass-to-frame seal.

Depth

Damage limited to the outer glass layer is repairable. If the chip has penetrated through to the inner PVB layer, replacement is necessary.

Number of Chips

Three or more chips on the same windshield may make the glass structurally unsound even after repairs.

ADAS

If your vehicle has a forward-facing camera and the chip is near the camera's field of view, replacement with recalibration may be the safer option.

Windshield chip repair resin injection process
Star break chip on windshield glass

Windshield Chips and ADAS

Advanced Driver Assistance Systems rely on cameras mounted near the windshield. Features like automatic emergency braking, lane-keeping assist, and adaptive cruise control depend on a clear, undistorted view through the glass. A chip directly in a camera’s field of view can cause sensor misreadings. Most chip repairs outside the camera zone won’t affect ADAS performance, but any repair near the sensor area should be followed by a professional check.

Our technicians assess ADAS sensor locations before beginning any repair to advise you on the safest course of action.

DIY Chip Repair Kits vs. Professional Repair

Over-the-counter kits cost $10–$20 and can work as a temporary measure to prevent spreading. But they have significant limits:

Consumer resin has a lower refractive index match — creating a more visible mark after repair.

Without vacuum-pressure injection, air pockets often remain trapped, weakening the repair.

A poor DIY repair can contaminate the chip, making a professional repair less effective or impossible — potentially forcing a full replacement.

DIY repairs don't come with a warranty and may not satisfy insurance standards.

A Plus Auto Glass technician inspecting windshield chip

How to Prevent Windshield Chips

Increase following distance — stay 3–4 seconds behind large trucks and construction vehicles.

Avoid gravel roads when possible — loose gravel is the #1 source of rock chips.

Don't slam doors — vibration can stress existing micro-fractures.

Manage temperature changes — avoid blasting cold AC on a hot windshield or hot water on an icy one.

Consider PPF for windshield glass — some clear film products absorb minor impacts and reduce chipping.

FREQUENTLY ASKED QUESTIONS (FAQs)

How long does a windshield chip repair last?

A properly performed repair is permanent. The cured resin bonds at a molecular level and lasts the remaining life of the windshield. It won’t fall out, shrink, or discolor.

Can a repaired chip pass vehicle inspection?

In Texas, a professionally repaired chip that doesn’t obstruct the driver’s view will pass. The repair must restore structural integrity without distortion in the critical viewing area.

Will the chip be completely invisible after repair?

Professional repair restores 80–95% of original clarity. A faint mark may remain at certain angles but won’t impair driving vision.

How soon should I get a chip repaired?

As soon as possible. Temperature changes, vibrations, and car washes can cause a chip to spread into a crack within days. Once it becomes a crack over 6 inches, repair is no longer an option.

What's the difference between OEM and aftermarket resin?

OEM-grade resins match the glass’s refractive index (approximately 1.52), producing nearly invisible repairs. Aftermarket resins may leave a more visible mark. We use professional-grade resin that meets OEM optical standards.

Does weather affect chip repair?

Extreme cold below 40°F or direct rain can affect resin curing. Our mobile technicians carry equipment to manage temperature and moisture, so repairs typically proceed year-round in Houston.

Get Expert Windshield Chip Repair

A Plus Auto Glass provides certified chip repair using professional-grade equipment and resin across the Greater Houston area. Whether your chip is a simple bullseye or a complex combination break, our technicians evaluate the damage and recommend the right solution – repair when possible, replacement only when necessary.

Ready to get your chip fixed? Visit our Houston windshield chip repair services page to schedule, or call (346) 833-8181 for a free assessment.

A Plus Auto Glass specializes in windshield chip assessment and repair across the Greater Houston area. This page is part of our service guide library — explore our guides on crack repair, full windshield replacement, and ADAS calibration to understand your options before booking.