Commercial Doors Only



Commercial Doors That Protect & Secure
Door & Frame Installation: Hollow Metal & Aluminum Entries & Handicapped Openers
Man Doors, People Doors, Business or Home Doors, Door Frames

Protect and secure your business with the proper doors. John Nagengast Doors, LLC, is a small, family-owned-and-operated business specializing in installation and sales of commercial doors

Better Business Bureau

Door Hardware

-Handicapped Door Operators
   -Alarmed Exit Devices
   -Lock Sets
   -Door Closers
   -Miscellaneous Hardware
   -Panic Bars/Exit Devices

Name-Brand Doors
Choose from name-brand doors and a large selection of hardware.

Repair & Replacement
We offer repair services for nonfunctioning doors, including drooping doors, bent or broken hinges, latching hardware, and continuous hinges.


Interior Commercial Wood Doors & Frames
•  •  Fire Rated at 30, 60, & 90 Minutes • •


Kawneer® Aluminum Doors
This is the "Cadillac" of aluminum entry doors. They are custom sized and made to fit, offering custom glass options such as tinted, low-E thermal pane, or quarter-inch glass. They carry a lifetime warranty on the door welds, guaranteed against breakage.

Hollow Metal
These doors provide high-security for back entrances or service doors. We work with most brands to fit the needs of our clients. Optional hardware includes panic bars, lever action handles, windows, peep sights, locks, door closers, thresholds, weather stripping, and sweeps. Hollow metal doors are labeled to provide up to three hours of fire protection.

Door Installation from Professionals
After 30 years in the business and 50 years of experience, we have extensive knowledge of the door industry. We want to earn your recommendation and referrals for a job well done.

Contact us in Minneapolis/St. Paul, and our surrounding cities.

Site Visits & Estimates
Are Provided on All Jobs

Call (612)868-3959 for all of your door installation, repair, or replacement requirements.