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Frozen Windshields And Odd Frost Patterns: How To Determine What Is Frost And What Is Broken Glass

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Frost has a way of sneaking into places through cracks in the glass. If you have ever seen a window with a layer of frost and ice on the inside, there is a good chance that the window is compromised in some way. You have to find the cracks and fix the window, or you will keep seeing a buildup of frost and ice inside. Likewise, if there is frost on the inside of your car on the windshield, you have to determine if the problem is a crack in your windshield, or something else. Here is how you can figure out if the icy, frosty problem with your windshield is a crack you cannot see, or it is something else that needs fixing. 

Pour Deicing Windshield Fluid Across the Windshield

There is winter windshield fluid that not only cleans your windshield, but deices it, too. Take a gallon of this stuff out, pour it liberally across the top of the windshield, and then get into your vehicle. Watch for frost formations, drips, leaks, and strange ice patterns. If there is a crack in the windshield, you might see a slight drip, or you might see frost forming on the inside of your vehicle along what is the crack that you still cannot see. If there are no weird frost patterns inside, no drips, and no leaks, the frost you do experience on the inside of the windshield can be attributed to something else. 

If You Have a Crack, You Will Need to Fix It

Windshield cracks in winter are the worst. If water gets into a crack and ice develops, it could create enough pressure along the edges of the crack to make the crack larger and/or shatter your windshield. A windshield repair technician can verify that there is a crack with special instruments that detect faults in glass integrity and changes in light when the light hits the cracked area of the windshield. When the crack is not noticeable, the technician can just use a special glass filler and sealant to fix the crack. 

If You Do Not Have a Crack

Frost and ice can develop on the inside of the windshield in your car when you have had the heat on high for a long ride and people are breathing heated air out of their lungs in an enclosed space. After you turn your car off, all of that heat cools, condenses, and collects on the windshield. The freezing temperatures outside the car cause this condensed air inside to freeze. Still, it helps to have the glass technician verify this. 

Talk to a windshield repair service for more information.