At the heart of each Series 700 Double Hung Window is our special polyurethane
thermal barrier. Separating the interior and exterior of the aluminum frame, the
barrier dramatically reduces heat loss in the winter and heat gain in the summer.
Approximately 75 percent of a window's surface is glass.
Our 7/8" insulated glass units provide the optimum air space available.
Made with double-strength glass, they provide superior insulation. They
are warranted for 20 years against seal failure. Some of our other
insulated glass options are: Argon gas fill, tinted glass, ThermalSafe laminated glass and Thermal Titanium low-E
Energy Saver Glass.
The Series 700 Double Hung Window is an innovative
combination of superior materials, energy-saving technology, and
beautiful styling.
We believe it is America's finest window!
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