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.
Click to see full answer
How much does a new windscreen cost Australia?How much does a car windscreen replacement cost? Depending on if you have windscreen replacement insurance, you can expect to pay anywhere from $250 to $1,000 to replace your windscreen in Australia.
How big can a crack be in windshield to repair it?
Windshield repair technology is a rapidly advancing industry, so the ability to repair large chips or cracks changes often and can vary depending on the repair company. Generally speaking, chips smaller than a quarter, and cracks up to three inches long can be easily repaired.
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.
What size windshield crack can be repaired?
Generally speaking, chips smaller than a quarter, and cracks up to three inches long can be easily repaired.
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.
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.
The general rule is that any crack that's smaller than a dollar bill can be repaired. Chips, on the other hand, need to be under two inches wide and not more than about an inch deep to repair. Larger damage, such as a crack spanning the length of the windshield, will likely require you to replace the entire windshield.
Is it illegal to drive with a cracked windscreen in Australia? It's illegal to drive with a cracked windscreen if the crack affects a driver's ability to see the road, or makes the windscreen unsafe.
Roughly 80-85% of Windshield Chips and Cracks are Repairable
So the short answer is that cracked windshields can indeed be repaired in many cases. Current windshield repair standards classify short cracks as less than 6 inches and long cracks as between 6 to 14 inches.
Typically, a crack less than three inches long (or the length of the short side of a dollar bill) can be repaired by injecting the outer layer with a clear, curable resin. However, longer cracks increase the risk of the inner lamination becoming exposed, thus compromising the structural integrity of the 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.
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.
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.
You should avoid driving your vehicle if it has a cracked windscreen, as it could increase the chances of a car accident.
Is it illegal to have a cracked windscreen? Driving with a cracked windscreen can be considered a motoring offence. It could constitute use of a motor vehicle in a dangerous condition. The Highway Code states that drivers should have a full view of the road ahead and glass should be maintained in a good condition.
As a general rule, if you have any cracks – or even chips – in your windscreen that are bigger than 10mm and are in the A-Zone (which is a 290mm area directly in front of the driver), your car will fail its MOT. A crack or chip bigger than 40mm anywhere else on your windscreen will also result in a fail.
If the windscreen has been damaged to the extent that you cannot clearly see out of the window, it is an offence to drive it and you could be charged with driving a vehicle in a dangerous condition. If the side windows are broken, the car can be driven.