Design, function, energy efficiency, and installation are all scrutinized to a great extent prior to and during the construction process; however, after construction, maintenance is virtually nonexistent. Quite literally, after the final punch-out and cleaning phases of construction are complete, concern for window operation goes unaddressed until something breaks. The problem isn't limited to publicly funded projects, such as schools, hospitals, and universities, but spans the full range, from new construction to retrofit.
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