KOCH BUILDING PRODUCTS

      a division of Koch Aluminum

Commercial Building Products Division

Our Commercial Division was started in 1989 and has become a full time welding and fabricating shop.


Koch Building Products distributes Republic Hollow Metal frames and doors and operates our own fab shop. We also carry Chappell, Mohawk and Algoma wood doors. We offer a full line of door hardware, and other items including:



  • Dorma Distributor-closers, locks and exit devices- Best warranty in the business.

  • Hager Hinges and Protection (Kick plates, Stops, Flush bolts)

  • Full in-house keying-Master Keying, we keep records of your complete system.

  • Hadrian Bathroom Partitions.

  • Bradley bathroom accessories, including, but not limited to:  paper towel dispensers, toilet tissue dispensers, soap dispensers, mirrors and grab bars.

  • Custom-Sized Aluminum and Fabric Awnings