Commercial Door Installation, Repair & Maintenance
From automatic sliding doors and ADA operators to glass storefronts and manual entrances, Automatic Door Doctors keeps Colorado businesses accessible, secure, and operating smoothly.
Request Service or an Estimate Call (720) 572-1867Commercial door repairs · New installations · Maintenance · Emergency service availability

Commercial Entrance Solutions, Start to Finish
Whether you need a repair, a replacement operator, or an entirely new entrance, we can help select a practical solution for your building and budget.

Automatic Door Repair & Installation
Service for commercial sliding, swinging, and folding door systems, including operators, sensors, controls, tracks, and activation equipment.
Discuss your automatic door →
ADA & Handicap Door Openers
Installation and troubleshooting of low-energy operators, push plates, activation devices, and automatic opening equipment for accessible entrances.
Ask about ADA operators →
Glass & Aluminum Storefronts
Commercial aluminum entrance doors, glass storefront systems, vestibules, and replacement door assemblies for new or existing buildings.
Discuss your storefront →
Manual Commercial Doors & Hardware
Repairs and installations involving hollow-metal, wood, and aluminum doors; pivots, hinges, closers, electric strikes, and other commercial hardware.
Get help with a manual door →Repairs, Diagnostics & Emergency Service
A door that won’t open, close, or secure properly can disrupt business and create safety concerns. Our technicians investigate the cause and explain practical repair options.
- Operators and control issues
- Sensor and activation faults
- Alignment and mechanical hardware
- Door closers and pivots
- Safety and operation checks
- Doors stuck open or closed

Emergency service is available; please call to confirm availability and scheduling.
NABCO Automatic Door Systems
As a NABCO distributor and installer, we help businesses select, install, and service commercial automatic entrances. We also repair major manufacturers’ existing door systems.
Distributor & installer
Service & repairs
Service & repairs
Service & repairs
Service & repairsBrand names identify equipment we service. NABCO is our distributor brand.
Preventive Maintenance for Commercial Doors
Preventive maintenance can help identify worn parts and operational issues before they turn into major downtime. Ask our office about maintenance arrangements for your facility.
- Operational inspections and safety-function checks
- Mechanical adjustments and closer inspections
- Hardware condition reviews
- Recommendations for needed repairs
Commercial Door Service FAQs
Do you service doors installed by other companies?
Yes. We service all major automatic door brands, including Stanley, Record, Besam, Horton, and NABCO.
Are estimates free?
We offer free estimates for new door installations and manual door repairs. Diagnosing an existing powered automatic door involves a billable service call.
Do you repair manual doors too?
Yes. We service many commercial metal, glass-and-aluminum, and wood doors, including related door hardware.
Where do you provide service?
We primarily serve commercial properties throughout Denver and Colorado’s Front Range. Contact us to confirm scheduling for your location.
Need Commercial Door Service?
Tell us what kind of door you have, what’s happening, and where the property is located. Our office can help with the next step.
Request an EstimateCall (720) 572-1867







