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Extended Performance Life
Your new window selection offers you many choices: You can pick your preference in color, interior finish, hardware and glass. You also have a choice when it comes to window spacers. The smart choice is the Duralite® insulating glass spacer featured in Envirosealed systems.

Choose Envirosealed, and you're choosing the window that will outperform the rest – long into the future. Extended performance life is designed into windows with our Duralite window spacer. This spacer makes a real difference in your window's ability to protect you and your home from the elements.

The Duralite composite laminate spacer in the Envirosealed window optimizes the integration of spacer components – adhesives, sealants, structural elements and desiccants. And this unique design leads to the Envirosealed window's optimal performance. Our solution seals your window more efficiently and lasts longer than other available spacers, standing up best to the adverse conditions inside your window frame and insulating the glass edge against energy loss up to 45 percent higher than other options.

Not only does our solution last longer, it also performs better. An Envirosealed window or door with the Duralite spacer is designed to trap air inside small, sealed chambers; these chambers act as insulating pillows of air that reduce energy loss and improve a window's energy efficiency by up to 10 percent.



Related Envirosealed Components   Related Resources
  Duralite Insulates Windows
the Best
Because Duralite contains no metal, it is the most thermally efficient spacer on the market today. When it comes to saving energy and reducing condensation, no other warm edge window insulating system outperforms Duralite.
 
  25% adds up to more than a
few cents
Windows and doors account for up to 25 percent of your home's energy consumption. Use this energy bill savings calculator to see how much you can save on your heating and cooling bills with energy–efficient Envirosealed Windows™ and Doors.
Calculate your savings
 
     
 
  Learn Ways to Cut Energy Costs There are many other ways to reduce your energy bills. Here are some tips on how to calculate the savings you'll get by using more energy–efficient windows.
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