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Legacy products
850 & 900 Series
Vertical Slider Windows
This product is no longer available for new projects, but we are happy to support existing 850 and 900 series windows.


The 850 and 900 Series were vertical slider windows, featuring single hung (850) or double hung (900) frames, with tilt-in feature for ease of maintenance. Either could be coupled with our 325 or 800 Series, or integrated with 400 Series strip windows.

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