Koch Aluminum was established by Gene Koch in 1952, specializing in windows and doors. Today, our second generation, family owned business still focuses on windows and doors, and so much more.


We have three divisions available to service all of your needs:

Our knowledgeable staff is ready to service the contractor and do-it-yourselfer who needs non-installed building material. Products include, but are not limited to: new construction or replacement windows and doors, siding, railing, millwork,
stair parts, interior doors and awnings.

Our experienced staff is ready to provide the commercial contractor or property owner in need of commercial doors and hardware. Products include, but are not limited to: steel doors and frames, interior doors, hinges, locksets, closers, panic devices, and toilet partitions. We also install and retrofit many of these products on a limited basis.

Our pleasant in-home sales staff and professional installers are ready to fulfill your home remodeling needs. Products we install include, but are not limited to: replacement and storm windows or doors, patio doors, aluminum awnings, stationary or retractable fabric awnings, assorted patio covers, decks, railing, screen enclosures and sunrooms.