WHAT CAUSES A WINDSHIELD CHIP TO SPREAD INTO A LONG CRACK? Predicting when and why a small chip in your windshield will spread into a long crack is as hard as predicting the exact path of a bad storm.
1
Extremely quick change in the windshield’s temperature
2
Slamming your car door
3
Hitting a pothole or speed bump
4
Moisture getting down in the crack
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