The Sun Causes Windshield Damage

The sun can indirectly cause windshield damage through a combination of factors, primarily related to temperature fluctuations and environmental conditions. Here are some ways in which the Sun can contribute to windshield damage:

The Sun Causes Windshield Damage
  1. Thermal Stress: When sunlight shines on your windshield, it can heat the glass, causing it to expand. As the sun sets or is blocked by clouds, the glass cools and contracts. These repeated temperature fluctuations can create stress within the glass. Over time, this continuous expansion and contraction can weaken the structural integrity of the windshield, making it more susceptible to cracks or chips.
  2. UV Radiation: The Sun emits ultraviolet (UV) radiation, which can cause materials to degrade over time. Windshields are typically made of laminated glass, which has a plastic layer between two layers of glass. UV radiation can break down the plastic layer, causing it to become brittle and less effective at absorbing shocks. This can make the windshield more susceptible to damage from flying debris or minor impacts.
  3. Weathering and Weakened Sealant: Sun exposure can cause the sealant around the edges of the windshield to degrade. The sealant helps hold the windshield in place and maintains its structural integrity. As the sealant weakens, it can allow moisture and dirt to penetrate, which can corrode the metal frame and lead to the development of rust. This can further weaken the windshield’s attachment to the vehicle.
  4. Glare and Reduced Visibility: Sun glare can reduce a driver’s visibility, making it more difficult to see potential hazards on the road. Reduced visibility can increase the likelihood of accidents and debris hitting the windshield, which can lead to damage.
  5. Thermal Cracks: Sudden temperature changes, such as when you use air conditioning or defrosters on a hot windshield, can create thermal stress and lead to small cracks. These cracks can grow over time, especially if the windshield has pre-existing weaknesses or imperfections.
  6. Expansion and Contraction of Materials: The frame and other components of the vehicle can expand and contract with changes in temperature due to sun exposure. This can place additional stress on the windshield and the surrounding materials, potentially leading to cracks or damage.

To prevent or minimize windshield damage caused by the Sun, you can park in the shade or use sunshades to reduce direct exposure to sunlight. Regular maintenance and inspection of your vehicle, including the windshield, can help identify and address issues early. If you notice any chips, cracks, or damage to your windshield, it’s important to have it repaired or replaced promptly to ensure your safety on the road.

Discover professional windshield repair and crack solutions in Toronto with National Auto Glass. We understand the various ways the sun can damage your windshield, from thermal stress to UV radiation. Our experts specialize in windshield repair and crack solutions in Toronto. We tackle issues caused by weathering, weakened sealant, glare, and temperature fluctuations. Don’t compromise your safety. Call us at (416) 666-7345 for top-notch Windshield Repair in Toronto and Windshield Crack Repair services. Park in the shade, but if your windshield bears the brunt of the sun, we have you covered. Trust National Auto Glass for quality repairs. Your safety is our priority.