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Through the looking glass...tempered vs. laminate?

7/9/2014

1 Comment

 
Laminated Glass

Laminated glass is produced by bonding layers of glass together under pressure and heat, with a resin called PVB (polyvinyl butyral). This technique is used to create single sheets of glass with multiple layers. The PVB keeps the glass from breaking apart easily and provides high sound insulation. Laminated glass will flex before shattering. Laminated glass is strong but not as strong as tempered glass. Also, laminated glass blocks nearly 99 percent of ultraviolet light transmission.

Tempered Glass

Tempered glass is also sometimes called toughened glass. It is very strong and is often used as safety glass. When tempered glass is broken, it will usually break into very small pieces instead of into big shards. This makes it less likely to cut a person. Tempered glass is known to be several times stronger than laminated glass. Tempered glass is created using chemical and thermal treatments. The treatments give it more balanced internal stress capabilities.

Applications

Tempered glass is commonly used in frameless glass doors used in commercial settings. Laminated glass is often used in applications where there is a severe risk of high winds or noise.

Laminated glass is generally more expensive then tempered glass. Until recently, laminated glazings used to cost three to four times as much as tempered glass.  

Please give us a call if you have questions regarding your glass options.









1 Comment
Hazel Owens link
7/10/2018 04:24:22 pm

That's interesting that tempered glass breaks into small pieces rather than large shards so it is less likely to cut someone. My windows are pretty old and drafty in my home so I was looking at what type of glass I could replace them with. I'll have to see if I can get tempered glass since it's stronger and would be able to handle my five boys.

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