Reasons for Thermal Stress Crack In Windows

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Do you get puzzled to think what caused a crack on your home windows suddenly?

A cracked home window is one of the most frustrating window challenges many homeowners face in Arlington and Fort Worth. Possibly something hit your window at high impact. Cracks appearing without any reasonable explanation force you to replace such windows in Arlington and Fort Worth.
 
                                        

Why Do Windows Crack?

Cracks appear on windows mainly for three reasons, and each has an identifying pattern to ascertain the cause.

1. Thermal Stress Crack

It occurs due to sudden temperature variations, and you can see cracks at a perpendicular angle.

2. Impact Crack

It appears when something hits your home window in Fort Worth or Arlington, like a golf ball, stone, etc. The cracks appear in a starburst pattern, radiating outward from the central point of impact.

3. Pressure Crack

It occurs mainly in insulating glass windows that have air inside two panes. Improper installation (too high or too low of an elevation level) or drastic pressure system changes in the weather can cause such cracks. It appears in a pattern similar to a curve of an hourglass.

Unlike thermal stress cracks, you can avoid both impact and pressure cracks occurring on your windows. Buy quality replacement windows in Arlington TX and Fort Worth, also, get them installed by professionals to safeguard your property.

Reasons for Thermal Stress Cracks in Windows

Thermal stress window cracks appear suddenly and can confuse you for no visible reasons. For example, large windows or bay windows at your home, which are partly in shade and sunlight, tend to crack more. The reason is the difference in the rate of expansion of glass that causes it to stress cracks.

Like metal, glass also expands and contracts with temperature variations. So let’s say you pour cold water immediately on a baking dish you just took out of the oven.

What would happen?

The sudden temperature change will create a thermal shock effect on the baking dish, forcing the glass under cold water to contract while the rest expand. The result will be a thermal stress crack on your baking dish.

A similar situation occurs with home windows. The warm glass area exposed to the sun expands, whereas the glass in the cooler shaded area contracts, causing it to crack.

Important Note About Stress Cracks
  • It does not mean your windows are old.
  • It is not a sign that you have a flawed glass pane installed.
What Causes Thermal Stress Cracks in Windows?
  • Change in the amount of shading on your home windows due to a tree or a newly erected construction nearby
  • Seasonal factors like dramatic overnight temperature changes, especially in the spring and fall

Conclusion

Thermal stress cracks occur naturally under temperature change. To avoid it, buy best home windows in Fort Worth and Arlington based on your climate and sun exposure. Lastly, install quality replacement windows (4mm glass) in Arlington, TX, and Fort Worth for best results.

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