There is no set amount of time to safely drive with a cracked windshield. In some cases, the crack is diminutive and unlikely to spread, making it possible to drive days, weeks or even months without additional damage. However, even slight cracking makes windshields brittle.
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What happens if you dont fix a cracked windshield?Damaged Windshields are Not Safe
If the glass has cracks, chips, or missing pieces, then the odds are against you that the entire windshield will stay intact in a collision. Your best bet is to fix the windshield imperfections as they happen, and restore windshield's stability.
Is it OK 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. Cracked windshields decrease visibility.
How long does it take for a crack in a windshield to spread?
Changes in Temperature
When this happens, your windshield's structure tends to shift, thus weakening the corner of each crack or chip. In one day, these cracks will start spreading on a microscopic level. Within a few days, you will see marked differences in the crack with the naked eye.
Can you stop a crack in your windshield from spreading?
Spread Nail Polish on the Crack
Like superglue, clear nail polish can serve as a temporary fix to stop a windshield crack from spreading while you're on the go. And, like superglue, nail polish can be highly difficult to remove once it's been applied.
Another important factor is the location of the crack. If the crack hinders the view as you drive the car, you should have it repaired right away. However, if the crack is small and on the passenger side, you could possibly drive for hundreds of miles without any issue.
Cracks between 6 inches and a foot in length have the potential to be repaired. Cracks longer than a foot necessitate a full replacement. How Long is Too Long to Drive with a Cracked Windshield? There is no set amount of time to safely drive with a cracked windshield.
How to Stop a Crack in the Windshield
- Apply Superglue or Clear Nail Polish. Before you attempt to fill the crack, clean the windshield with auto glass cleaner and paper towels.
- Use a Windshield Repair Kit.
- Avoid Sudden Temperature Changes.
- Schedule Windshield Repair or Replacement.
How to Hide a Crack in a Windshield
- Pour 1/4 cup of water to the mixing bowl. Then add a 1/2 teaspoon each of salt, bug repellent and rubbing alcohol.
- Dip the rag in the solution and rub it into the crack. Keep dipping the rag in the solution and rubbing it into the crack until all the solution is gone.
Though not an immediate danger, if the crack is large, near or touching the edge of the windshield, the glass may have to be replaced and driving the car is not recommended. Driving with a broken windshield should also be avoided whenever the damaged glass impairs the vision of the driver.
Whether it's two or 10 inches long, or somewhere in between, a crack has always been a primary reason to get a windshield replaced. Cracks, both short and long, can be repaired by filling the damage with a special resin.