Are you prepared to meet the new ENERGY STAR window performance criteria proposed for 2012? What about future increases as higher energy efficiency becomes a national priority?

Now imagine if you never had to worry again about changing standards - ever - by having instant access to a limitless glass technology platform that could take you wherever the codes may lead, from R4 all the way to R20. That's what you'll get with Southwall Insulating Glass.

It began with a technology revolution. Suspending one or more HEAT MIRROR films inside an IG to create multiple insulating cavities - without increasing weight - was so innovative that Popular Science named it a "Top 100 Invention of the Millennium".

Today, our groundbreaking research and development, inspired innovation, and wide array of energy-efficient products enables you to stay ahead of the competition and satisfy your customers' most demanding performance requirements.
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