"Bob, We wanted to drop a note to let you know how much we appreciate the work that was done at our home. The Gutters, windows, siding and doors all look great and are exactly what we wanted. Eve... » more
- Don and Sherrie Frieden of Muscatine, Iowa


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Electrochromics

Glazing with optical properties that can be varied continuously from clear to dark with a low-voltage signal. Ions are reversibly injected or removed from an electrochromic material, causing the optical density to change.

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