Koch Aluminum is proud to be participating in a promotion honoring our troops. We are a drop-off point for the U.S.O. to send donation items to the troops overseas. Please feel free to spread the word throughout the community to stop in and drop off any donations.

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About Report

Koch Aluminum was established by Gene Koch in 1952, specializing in windows and doors. A lot has changed over the years, but our commitment to providing quality service to our customers has always stayed constant. Our third generation, family-owned business still focuses on windows, doors & so much more! Second generation owner Randy Koch checking out a screen room we installed for one of our many wonderful customers!

Commercial Report

Our Commercial Division was started in 1989 and has become a full time welding and fabricating shop. Koch Building Products distributes Pioneer Hollow Metal frames and doors and operates our own fab shop. We also carry Chappell, Mohawk and Algoma wood doors. Bradley bathroom accessories, including, but not limited to: paper towel dispensers, toilet tissue dispensers, soap dispensers, mirrors and grab bars.

Ann DePuy

Jul 25, 2021

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Completely satisfied with the beautiful new doors installed at the house. The crew did a great job from start to finish, including clean up. Will be calling again for more doors.

Robin Goretzki

Jul 05, 2021

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Stopped in to inquire about purchasing products for multiple jobs over a week ago and still no response! Have continued to do business with a competitor! If you want to get my business you need to be on top of things! Very poor customer service!

Juan Diaz

May 29, 2020

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Cost me a lot of money waited beyond the time said for a wrong door. bob is ate up over there

Liz Bollini

May 15, 2020

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Koch replaced/installed all the windows in our home. Our windows were old and very drafty. These new windows are amazing and look great. Love the built in screens as well! Very affordable, installed in one day and great to work with!

Brenda Kammer

Dec 31, 2017

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Not a reputable company. They repaired a window (they sold & installed 9 years earlier) by covering up this mold with new molding. Certainly not the correct repair by any means. I would suggest you find another window company.