Heat Crack A Windshield !free! — Can

Whenever possible, keep your car under a tree, in a garage, or in the shadow of a building.

When exposed to high temperatures, the glass expands, and the PVB layer can become more prone to degradation. If the heat is intense enough, it can cause the glass to expand rapidly, leading to stress cracks. These cracks can appear suddenly, often without warning, and can compromise the structural integrity of the windshield. can heat crack a windshield

Avoid parking at an angle where half the car is in the sun and half in the shade. Whenever possible, keep your car under a tree,

They almost always start at the very edge of the windshield. These cracks can appear suddenly, often without warning,

It is important to note that automotive glass is engineered to withstand significant temperature fluctuations. A perfectly healthy windshield usually survives the summer heat without issue. Thermal cracks usually occur because of a "perfect storm" involving heat and pre-existing damage.

To minimize the risk of heat-related windshield cracks:

However, it is rarely the heat alone that causes the damage. It is a phenomenon known as . In this article, we will explore how heat interacts with auto glass, the specific conditions that lead to cracking, and how you can prevent costly replacements during the hottest months of the year.