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What’s the Difference Between U-Value and R-Value?

One of the most important glass performance measures is U-value—also known as U-factor—which measures the insulating characteristics of the glass, or how much heat flow or heat loss occurs through the glass due to the difference between indoor and outdoor temperatures.

 
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Specifying Heat-Rated Glass

Glass is vital to the aesthetic of nearly every modern structure—increasing natural light, curbing sound, protecting against inclement weather and offering a view to the external world. While glass has always been favored for its aesthetic versatility, it has quietly and reliably evolved into a critical component that can add beauty, structural integrity and fire protection to rooms and buildings, as well.

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Bent & Laminated Glass Demonstration

Here's an explanation of how bent and laminated glass is made, courtesy of Standard Bent Glass in East Butler, PA.

First, large sheets of glass are scored into a range of end-use sizes. Then, these individual lites of glass are edged on a vertical line and sent to a large industrial washer. Next, they either get laminated or bent.

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Bird-Friendly Glass

A Partnership Mother Nature Would Approve Of: Award-Winning Bird-Friendly AviProtek® and Solarban® Solar Control Low-e Glass

Each year, more than 600 million birds die from collisions with glass in the United States alone. Although bird-friendly building regulations continue to increase in North America, glazing options have been limited.

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Low-e Demonstration

Here’s a quick demonstration that will give you an understanding of low-emissivity or low-e glass.

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How Low-e Glass Works

Glass is one of the most popular and versatile building materials used today, due in part to its constantly improving solar and thermal performance. One way this performance is achieved is through the use of passive and solar control low-e coatings. So, what is low-e glass? In this section, we provide you with an in-depth overview of coatings.

 
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Solar Energy Spectrum

Understanding the solar energy spectrum is the first step in understanding how low-e coatings work.

 
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Low-E Coatings Thickness

Low-E coatings are 500 times as thin as a human hair, yet have a tremendous impact on a building's overall energy efficiency.

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Resources. Information. Support. From engaging videos on challenging technical issues to common industry terms, learn more about one of today’s most popular building envelope products.

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Fun Glass Facts

 

The first insulating glass units were developed in 1945 for the Pullman Car Company in Butler, PA.

 

A standard float tank can produce glass 24 hours/7 days a week for up to 15 years before it needs to be rebuilt.