Manufacturers have their windows tested for use in various altitudes. Using double-pane insulating glass at altitudes higher than its rating will result in glass distortion and increased possibility of breaking. As the altitude increases, the atmospheric pressure decreases, causing the sealed window glaze to expand its volume to reduce the interior pressure. This will cause the glass to deflect and can lead to damage. The difference in pressure is also applied along the edge seal and ultimately failed sealing.
Some window manufacturers have developed glass technology that increases altitude limits on energy efficient glazed inputs to as high as 10,000 feet. When selecting windows in various locations that have possible altitude problems, check with the manufacturer to verify the suitability of the windows chosen. For example, Andersen Windows has data on windows for altitudes from 3,000 to 10,000 ft.
If you live at an altitude over 5,000 ft, you will want to check with your window company that the windows you are going to buy are manufactured for altitude. If you live in Colorado and need new windows, give Prestige Window & Doors a call (303) 502-5888. They work with several different manufacturers that specialize in high altitude window.
Some window manufacturers have developed glass technology that increases altitude limits on energy efficient glazed inputs to as high as 10,000 feet. When selecting windows in various locations that have possible altitude problems, check with the manufacturer to verify the suitability of the windows chosen. For example, Andersen Windows has data on windows for altitudes from 3,000 to 10,000 ft.
If you live at an altitude over 5,000 ft, you will want to check with your window company that the windows you are going to buy are manufactured for altitude. If you live in Colorado and need new windows, give Prestige Window & Doors a call (303) 502-5888. They work with several different manufacturers that specialize in high altitude window.
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