Colorado Winter: How Rapid Temp Swings Shatter Your Glass

Living in the Front Range means dealing with 60-degree afternoons and 10-degree nights. These rapid temperature swings are the #1 killer of windshields in Colorado.
The Science of Expansion
Glass expands when it gets warm and contracts when it gets cold. When you have a small chip, that point of damage becomes a "stress concentrator." As the glass tries to move during a temperature shift, the stress builds up at the chip until—*crack*—it spreads across the entire surface.
Common Winter Mistakes
One of the most dangerous things you can do is pour hot water on a frosted windshield. The thermal shock is highly likely to crack the glass if there is even a microscopic defect present. Similarly, blasting the defrost on 'High' immediately upon starting your car in sub-zero weather can trigger the same effect.
Our Pro Tips
- Fix Chips Early: Get rock chips filled before the first freeze of the season.
- Gradual Warming: Let your car warm up gradually to allow the glass to expand slowly.
- Cover Up: If possible, park in a garage or use a windshield cover during extreme cold snaps.
By taking these small precautions, you can save yourself the cost and hassle of a full replacement during the peak of winter.
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