With all the potholes and damaged roadways around many towns, it's not such a surprise to get nailed by a rock as you drive about. What's important is knowing whether to repair the damage or replace the entire windshield. Getting the problem taken care of quickly may help save you money. Here's an explanation of how that seemingly innocent nick can turn into a bigger problem, and whether your windshield is already beyond help.
When you notice a small chip or crack in the glass of your front entry door, you want to act quickly. Vibrations and temperature changes could cause the crack to spread without warning. Unlike a window you can leave alone if it's cracked, you'll have to use the entry door frequently, which puts strain on the glass. It might be possible to repair the glass, but it might need to be replaced.