What causes a windshield crack to expand?

What causes a windshield crack to expand?

Glass expands in hot weather and contracts when it gets cold. If you direct a heating vent at your chipped windshield in cold weather, this may cause the crack to spread abruptly. Then you’ll have no choice but to replace the windshield.

What happens when you have a crack in your windshield?

Because of its concave shape, a crack can severely weaken the structural integrity of the windshield and the glass is likely to continue cracking if pressure is placed on it from the inside. If it shatters, strong adhesives applied to the glass prevent broken pieces from falling into the car or onto the road.

Will a cracked windshield cave in?

A cracked windshield can break and allow the roof to cave in. The windshield also helps the passenger side airbag to deploy correctly, as it may deploy through the windshield opening instead if the windshield shatters.

Can a windshield crack grow?

Your windshield is cracked. And while easy to dismiss, the reality is whether you have a big or small windshield crack, it can (and probably will) get bigger if you do not take proper precautions. Not all windshield cracks will require immediate replacement, but every inch of damage requires immediate attention.

Is there a way to stop a windshield crack from spreading?

Changes in temperature, exposure to sun, and even wind could cause the crack to expand. The best way to stop the windshield crack from spreading is to park your car inside or under protective covering. This will offer some extra protection until you can get a repair appointment.

Why do you need to replace a cracked windshield?

In many states,it’s illegal to drive a car with a cracked windshield.

Your windshield protects you from flying debris in the event of an accident. If your windshield has a crack,it’s more likely to shatter or break.

It can impair your view while driving.

What can cause your windshield to crack?

The most obvious and damaging windshield cracks can be attributed to road hazard impacts, particularly gravel, stones and rocks. They can be kicked up from behind a vehicle or slung across the lane from a car passing in the opposite direction.

How do you repair a cracked windshield?

Position the applicator to repair a crack. Cover the suction cups with a thick layer of lubricant, so they can glide across the windshield. Position the suction cups so the applicator tip is over the hole at the end of the crack. Tighten until it presses gently against the glass.

Is it safe to drive with a cracked windshield?

It’s generally not dangerous to drive with a small crack in the windshield, but damaged glass should be repaired or replaced as soon as possible for two important reasons: Windshields weakened by damage provide less protection.