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Try Guardian's Free WindowInsight App!

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Guardian Glass Video:

A new resource to help you understand low-E windows
and the science of comfort. 

Now available on iOS and Android

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"Beyond the Glass" showcases how from humble beginnings in 1932 to its growth to 17,000 people across five continents, 26 float glass lines and the Science and Technology Center, Guardian Glass is helping world-renowned architects create iconic buildings. 

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