Why Do Car Windows Shatter When They Break?

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Car windows, particularly the door windows, other side windows, and rear windshield, are prone to damage from many different sources. Cracks and other kinds of damage include:

  • Rocks kicked up from passing traffic
  • Stress from improper alignment
  • Stress from an object stuck in the track
  • An accident
  • Vandalism

While the front windshield is made from two layers of safety glass laminated together with a plastic layer between, the side and rear windows are made from a single layer of safety glass. Safety glass is designed in a way that, with a significant impact, it completely shatters into pebble-sized pieces. These tiny bits of glass are much less sharp than typical broken plate glass, and there are no sharp and pointy shards that form when safety glass shatters.

Safety glass is formed through a process known as tempering. The glass is heated, then cooled rapidly. The outside part of the glass is put into a state of compression, while the inside part of the glass is under tension. This process is what causes a glass impact to cause a shattered window when you hit the window.

Because the window shatters instead of cracking, a shattered window will need to be replaced immediately. Some pieces of the shattered window may remain connected and in place, and should be cleared using safety equipment before trying to drive. Also, clean any safety glass up, including vacuuming the seating surfaces and carpet, to prevent the possibility of injury or cuts if you come into contact with the shattered glass.


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Rigoberto

9 years of experience
706 reviews
Rigoberto
9 years of experience
Chevrolet Equinox - Brake Pads Replacement (Rear) - Niles, Illinois
Rigo was great! He got there early, finished the job early, left everything clean. He changed my rear pads and rotors. The original quoted time was 90 minutes, he was done in about 60. He knows what he is doing and I am recommending him to all my friends and coworkers.
Mercedes-Benz C250 - Brake Pads Replacement (Front, Rear) - Chicago, Illinois
Rigo is a maverick hands down. Don’t take your car for work elsewhere. Especially great at Mercedes—this guy knows his profession! I will be using him for everything related to my car going forward.

Arturo

25 years of experience
35 reviews
Arturo
25 years of experience
Kia Forte - Brake Pads Replacement (Front) - San Diego, California
ARTURO is great! very professional , fast, replaced my front brake pads and oil an filter change. everything now works and works well. Brakes have much improved stopping power and engine is smooth and quiet.Arturo is also kind and thoughtful. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. I enthusiastically recommend him and "Your mechanic> as a fine operation Best regards to the Team Peter Marto
Nissan Maxima - Brake Pads Replacement (Front, Rear) - San Diego, California
Arturo was prompt and completed my brake repair, including new rotors in a very efficient manner. I am very pleased with the quality of the work and the parts and will definitely look to have him service our other car in the near future.

Scott

32 years of experience
345 reviews
Scott
32 years of experience
Lexus IS250 - Brake Pads Replacement (Rear) - Denver, Colorado
Always on time, speedy, professional, and pleasant to interact with. The work is always consistent and we'll done. I can't reccomend Scott highly enough!

Michael

10 years of experience
15 reviews
Michael
10 years of experience
Nissan Sentra - Brake Pads Replacement (Front) - Conyers, Georgia
He was promptly on time and got the job done efficiently in a timely manner. I really appreciate the rapid respone on getting the job done! I would most definitely use this service again.

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