Building Envelopes & Curtainwall

Specializing in Curtainwall, Panels and Windows and doors since 1936

Since 1936, the Koch Corporation has established itself as a leading industry specialist in building envelope restoration and construction. We specialize in Curtainwall Systems, Historical Window Replacement, Security Windows, New Construction, Blast and Impact Windows, Acoustical Windows and Doors, FAA Sound Mitigation Noise Reduction Programs and the Quieter Home Program. Koch's Accelerated Project Division and Fabrication Shop enable expeditious turn-around for regional and national projects.


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