Windshield replacement in Cary, NC, done in your driveway

When a Cary windshield has to be replaced, not repaired

Plenty of windshield damage can be repaired. The ROLAGS repair standard, which the windshield repair trade works to, says stone breaks up to two inches across and single line cracks up to 14 inches are repairable. Impex’s own rule of thumb is that a chip smaller than a quarter, or a short crack that is not in the driver’s line of sight, can usually be repaired. If that sounds like yours, read windshield repair in Cary first: a repair is quicker and the original glass stays in the car.

Replacement is the answer when the damage is too big, too deep or in the wrong place. Impex lists the signs:

• A crack that reaches the edge of the glass. Impex treats edge damage as a replacement because it affects the structural integrity of the windshield.
• Damage that is large or deep, through more than the outer layer of glass.
• Anything that impairs the driver’s view, even if it is small.
• Damage that affects the glass structure or the safety systems that rely on it, such as the airbags or the forward camera.

The windshield is not just a window. The Auto Glass Safety Council, which writes the replacement standard, describes the windshield as part of the passenger restraint system: it has to be installed properly for the airbags to deploy safely, and it helps keep people inside the car in a crash. That is why a long crack is more than a cosmetic problem, and why the way the new glass is bonded matters as much as the glass itself.

What you see	Usually	Why
A chip smaller than a quarter, away from the edge	Repair	Small, shallow and away from the edge is Impex’s test for a repair
A single crack under 14 inches, not at the edge	Often repair, if a technician agrees	ROLAGS treats single line cracks up to 14 inches as repairable
A crack running in from the edge	Replacement	The edge is where the glass is bonded to the frame
Damage in front of the driver	Replacement	Impex repairs short cracks only when they are out of the driver’s line of sight
Several chips or a star break with legs	A technician has to see it	Depth and spread decide it, not just size

What happens at a windshield replacement visit in Cary

A replacement follows the same basic steps whether it is done in a shop or in a driveway; with Impex in Cary it is done where the car is parked. Here is the usual run of a visit, from the call to the moment you drive away.

1. The call and the VIN. You tell Impex the car and the damage. Impex uses VIN-based verification so the right part is ordered before the visit is booked. Two windshields for the same model can differ: one has a camera bracket, sensors or heating elements and the other does not.
2. The glass is ordered and the visit booked. Once the part is confirmed, Impex books a time and a place in Cary: your driveway, a garage, or a parking space at work.
3. Getting the car ready. The area round the windshield is cleared and protected before any glass is cut.
4. Taking out the old glass. The trim and wipers come off, the old urethane bead is cut through and the old windshield is lifted out.
5. Preparing the frame. The pinch weld, the metal lip the glass sits on, is cleaned and prepared so the new adhesive bonds to it properly.
6. Setting the new windshield. A fresh bead of urethane goes down and the new glass is set into it, centered and pressed into place. The trim, wipers and mirror go back on.
7. Calibration, where needed. If your car has a forward camera, it is calibrated after the glass is in. Impex says calibration takes between 30 minutes and 2 hours.
8. Cure time, then you drive. The car sits while the urethane sets. The technician tells you when it is safe to drive and what to avoid for the first day.

Impex’s guidance is that most windshield replacements take about an hour, plus a short curing period, and that most drivers are back on the road within two hours. Cars with sensors, heating elements or complex designs can take longer.

Glass matched to your VIN: OEM and aftermarket

There are two kinds of replacement windshield. OEM glass is made to the same specification as the glass the car left the factory with. Aftermarket glass meets the same safety standards but may vary slightly in thickness, clarity or tint. For most cars either fits. For a car with a forward camera or other driver assistance systems, the glass matters more, because the camera looks through it: Impex notes that OEM or high-quality equivalent glass is often recommended for those cars.

Impex offers both OEM and quality aftermarket glass, and its technicians can recommend the right option for your car and your budget. If you are claiming on insurance, ask what your policy pays for: many insurers pay for aftermarket glass as standard and OEM glass when it is required or approved.

Urethane, drive-away time and the first 24 hours

A windshield is held in by urethane adhesive, not by clips or rubber. Until that adhesive has set, the glass cannot do its job in a crash. The Auto Glass Safety Council calls this the minimum drive-away time: the length of time the car should stay parked after any auto glass installation so the bond can form. The council does not give one number, because the time depends on the type and brand of adhesive, the weather at the time of the job and other factors.

So the technician gives you the drive-away time for your job, on the day. For the first 24 hours after a replacement, Impex’s advice is:

• Do not take the car through a car wash or wash it at all.
• Do not slam the doors.
• Avoid harsh bumps where you can.
• Ask the technician about anything else your car needs before you leave.

Weather matters for a mobile job. The conditions at the time of the job are one of the things the Auto Glass Safety Council says change how the adhesive sets, and nobody can work on an open windshield frame in the rain. On a wet day in Cary the visit may move into a garage, a covered deck at work, or to another day. That is covered on the mobile windshield replacement page.

Camera recalibration after a windshield replacement

Look at the top of your windshield from inside the car. If there is a dark panel behind the mirror with a lens in it, your car has a forward camera. It reads lane lines and the cars ahead, and it feeds lane departure warning, collision braking and adaptive cruise control. The Insurance Institute for Highway Safety found that forward collision warning with automatic braking cut rear-end crashes in half, so the camera earns its keep.

I-CAR, the collision repair training body, lists removing the windshield among the events that may require the camera to be aimed again. Impex says it performs ADAS calibration on site straight after the windshield goes in, with static and dynamic calibration completed in one visit. Static calibration uses targets set up in front of the parked car; dynamic calibration drives the car on the road at a set speed. The full explanation is on the ADAS camera calibration page.

Paying for windshield replacement: insurance and the right to choose

In North Carolina a broken windshield is a comprehensive claim. The NC Department of Insurance lists breakage of glass among the losses comprehensive coverage pays for, less any deductible. North Carolina has no zero-deductible glass law, so your deductible applies unless your policy has full glass coverage. Impex’s own wording is that some plans include full glass coverage, which means you pay no deductible.

You choose who replaces the glass. G.S. 58-3-180 says a policy covering damage to a motor vehicle must let you select the repair service, and that the insurer owes the same amount whichever one you pick. A glass claim is not an at-fault accident, so it does not add Safe Driver Incentive Plan points, though your insurer may look at how often you claim. Impex says it works with all major insurance providers and can handle the claim with your insurer. The details are on the insurance claims page, and what sets the price when you pay yourself is in the windshield replacement cost guide.

Getting ready for the van

• Park where the technician can walk all the way round the car, with the front clear.
• A level spot is best: a driveway, a garage or a flat parking space.
• Empty the dashboard and take anything off the mirror.
• Have the keys and, if you are claiming, the claim number ready.
• Plan to leave the car for a couple of hours, longer if it needs calibration.

Cary roads and the windshields they break

Most Cary windshields that need replacing were hit at speed. I-40 runs along the north side of town toward RDU and Raleigh, US 1 and US 64 run through the south, NC 54 and NC 55 carry traffic to Morrisville, Durham and Apex, and the NC 540 Triangle Expressway runs along the west. The Complete 540 project has added new road from the NC 55 Bypass in Apex to I-40 and US 70, opened on September 25, 2024, and its second phase toward Knightdale is scheduled to finish in 2028. New road and work zones mean trucks and loose stone.

North Carolina’s load law, G.S. 20-116(g), requires trucks over 7,500 pounds carrying rock, gravel or stone to keep the load six inches below the walls and covered by a tarpaulin. It exists because loose stone is a road hazard. If a stone from a truck catches you on I-40 or NC 540, look at the damage that day: a chip caught early can often be repaired, and a crack that has run to the edge means a replacement. Wherever you are when it happens, the van also covers Apex, Morrisville and RTP, Holly Springs and Fuquay-Varina.

Questions people ask