Tag Archive for: Colorado Windows

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How to Spec Windows for High Altitude

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Capillary tubes, the argon tradeoff, and what Marvin and Weather Shield require above 5,000 feet. A practical spec checklist for Colorado's high country.

Why Windows Fail at Altitude

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Windows built for sea level can fog, bow, or crack in Colorado's mountains. Learn how altitude pressure damages sealed glass, from Denver at 5,280 ft to 9,000+ ft.