Can Crack From The Heat

Glass Can Crack From The Heat It’s a time of blisteringly hot day, and you discover a crack running through your window. You wonder if this crack hasn’t been caused by anyone or an object hitting it, what else could it be? Thermal breakage or thermal stress might have caused your window glass to crack. It happens due to temperature variations causing the glass to expand and compress. Whenever you notice a glass crack, contact the professionals for glass repair in Sacramento to avoid further window damage. It usually occurs with annealed/float glass when one section of the glass pane becomes hotter than the other. It induces stress to build up, enabling the glass to expand in hot weather or shrink in the cold, causing it to break.

Thermal stress will reciprocally increase if there is an extreme temperature differential. High sun exposure is the main source of temperature differences in the glass.

Here are some typical examples of thermal stress breakdown conditions: •On a bright, chilly winter day, the window may be shaded under an overhang, behind a building, by a tree or fence. When the glass is not in the shade will be exposed to the blistering sun, and the severe temperature difference in the window glass may cause it to break.

•Blinds and curtains reflect the heat at the back of the house. They can overheat the glass and amplify the problem if you haven’t maintained a proper balance between the window glass and the blind.

•If you place something inside the window, such as a blind or sign, it may also cause thermal stress.

•Another common cause of stress cracks is seasonal factors such as significant overnight temperature changes. For instance, areas experiencing much hotter temperatures during the day and cooler at night.

During window glass replacement in Sacramento, Installing the toughened glass and choosing glass features based on climatic conditions and sun exposure can help prevent thermal cracks. Each window glass has different tolerances. Some are

significantly more prone than others to break due to thermal stress. If your window glass is strong, fewer stress cracks will occur. Heat-resistant or toughened glasses can endure excessive thermal stress resulting in breakage.

Laminated float glass is vulnerable to thermal stress and breakage. Furthermore, tinted glasses, Low-E coatings, and reflective coatings are at significant risk of thermal stress. It’s preferable that while using these products, a thermal assessment is undertaken.

Unfortunately, these stress cracks/breaks aren’t claimable under warranty as thermal stress cracks occur naturally and aren’t due to defects or poor craftsmanship. Homeowners should consult with their builder or window manufacturer concerning the extent of sun exposure on the window installed.

Doing so will help prevent the thermal stress cracks from occurring and window repair in Sacramento. You can grow trees and plantings near the windows to avoid excessive heat.

Important notes: Toughened/tempered glasses are made using special heating furnaces, heating the annealed glass at a temperature of 700 degrees celsius. The glass gets swiftly cools down as it exits the furnace. Tempered glass is substantially stronger and tougher than annealed glass and can withstand considerable heat (240°C).

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