Thom Alexander
Door Technician
Thom's construction background has proved to be invaluable to our company. Thom is the right guy for the job when there is a hard to remove door frame. Since Thom has been in the door industry for so long, he has a strong understanding of all the potential solutions for hard-to-fix problems. In his free time, Thom loves to fly airplanes and spend time with friends.
Steve Cochran
Door Technician

Steve is our resident expert at bidding large new construction and remodel jobs. I guess you could say that he loves reading blue prints. When not working, Steve is spending time with his family and playing music.

Adam Bruce
Door Technician
Adam is a hard-working, experienced, responsible, mild mannered door technician who takes his job seriously. When he is not working, he is busy either being a responsible, loving family man or volunteering for his church.
Brennan Knapp
Door Technician

Brennan is a likable young man, who takes his work seriously. As a former facility manager for Charisma Media in Florida, he has experience installing and maintaining 125 doors, their frames, locks and hardware. He has knocked down walls moved doors to other places.  He enjoys sports, traveling, the beach, kids and volunteering at his church.

Jonathan Knapp
Door Technician
Jonathan Knapp is a great project manager ensuring large jobs are completed on time and correctly.
Dan Duchesne
Door Technician
Dan Duchesne is an experienced door technician that loves spending time outdoors and with his family. When not spending time with his family he is always trying to learn new things. Dan is one of the most knowledgeable guys you will meet.
Leroy Landers
Door Technician
Leroy is married with three children. Leroy comes with extensive experience in HVAC, plumbing, electrical, and troubleshooting. Enjoying a photographic memory - things come easy for Leroy. Leroy loves to be challenged. When not working, Leroy enjoys camping with his family throughout Colorado.
Nick Clark
Nick's story coming soon.
Marianne Mhyre
General Assistant

Marianne keeps the website up-to-date and fills in the company gaps. When not working she enjoys spending time with family and friends. Fluent in many languages she has a lot of stories to tell. 

Hannah Henry
Office Manager
Hannah is our dedicated office manager. She works hard to satisfy our customers as well as our employees. When she isn't working she dedicates her time to her husband and children.

Denver Doors is a small business specializing in the repair and installation of commercial door systems throughout Colorado. The majority of our customers are located in the Denver Metro area; however, we will travel anywhere in the state. Our expertise ranges from small manual door repairs to large storefront installations. We sell commercial doors and hardware, repair broken doors and hardware, and can replace with new upon request. As a commercial door company, we provide medium to heavy-duty door systems that can standup to high traffic situations. Security is also very important to us. As such, we can recommend a wide range of door security options. We are well versed in the local fire department requirements to ensure that your door openings are in compliance with your local fire codes and statutes.

Safety & Security

Our top priority is to help ensure that your door system will operate consistently and safely under harsh conditions and with frequent use. At closing, it is important to us that your door system easily and consistently locks so that your store or business is adequately secured. We provide everything from complex controlled access door systems to simple proven locking mechanisms.

Automatic Door Systems

Our technicians are certified by the American Association of Automatic Door Manufacturers (AAADM). This association has certified that we have completed the course instruction required to repair and install power-operated, automatic pedestrian doors. We are dedicated to promoting safety, security, and aesthetics. We routinely repair all major brands of automatic sliding doors, which includes but is not limited to Stanley, Horton, Besam and Record.

Glass Aluminum Storefronts

Our door technicians are skilled and proficient at quickly diagnosing storefront door issues accurately. We have installed and repaired thousands of manual commercial door systems. This experience enables us to quickly identify and execute the proper repair plan. Moving quickly ensures your storefront is secure and fully functional for future business. We believe that door systems should quietly and safely do their job allowing your customers to focus on what is important – your business!


  • Free estimates are provided for manual commercial door installations and repairs
  • Free estimates are also provided for new automatic door systems
  • A Service Call costs $190 for the first hour and $95 for each additional hour. Most commercial door repairs can be completed in one hour. The first hour begins when we arrive at your location. So, no trip charge. Or, you could say that the trip charge is baked into the first hour on site. 
  • Would you like to schedule an onsite visit? If yes, simply call 303-327-9492. Thank you!



How may I help you?