A tiny chip can turn into a spiderweb across your glass in a matter of hours. Changes in temperature, road vibrations, and even sunlight can cause the glass to expand and contract, forcing the crack to grow. If the crack exceeds the length of a credit card, you likely won't be able to stop it, and a full replacement will be necessary. If you catch it early, here is how you can halt the damage. Immediate Temporary Fixes
"Listen closely," Henderson said. "If you want to stop that crack from hitting the edge, you have to do three things immediately."
Panic set in. He had a long road trip planned for the weekend. He called his local mechanic, old Mr. Henderson, who sighed over the phone.
The resin usually requires direct sunlight or a UV lamp to harden and bond the glass layers.
The question everyone asks in that moment:
In these cases, trying to “stop” the crack is like putting a bandage on a broken leg. You need a replacement.
Before we dive into the solutions, it's essential to understand how windshield cracks occur. Windshields are made of laminated glass, which consists of two layers of glass with a layer of vinyl (PVB) in between. When a rock or debris hits the windshield, it can cause the glass to crack. The crack can then spread due to various factors, including: