Garage Door Repair and Installation in Germantown, MD

Tired of manually opening your garage door in all types of weather, or your existing opener or doors need replacing? For openers and garage door installation in Germantown contact STI Garage Door. We carry a wide selection of openers and standard and semi-customizable doors, or you can order a fully customized door for your home or business.

We install, maintain, and provide garage door repair in Germantown. Our highly skilled and trained technicians are well-equipped to tune-up or repair your residential or commercial doors and openers. They’ll inspect your system and provide you with a report, including:

  • Check door panels for wear and damage
  • Observe that the door operates properly
  • Inspect door seals and alignment
  • Scan the track for splits, twists, gaps or damage
  • Make sure brackets are secure and aligned
  • Check that springs, cables, and pulleys are fastened and work correctly
  • Ensure the tension on the torsion spring and bar is adequate
  • Confirm that the opening system operates as it should
  • Test all electronic and wireless components work properly, including sensors, keypads, and remotes

Our experts will provide a free onsite estimate for approval before they begin any work. They’ll fix, adjust, and carry out general maintenance to keep your door system functioning properly. All work is guaranteed, and we offer reasonable rates for quality workmanship.

Emergency Repair

STI provides emergency garage door service in Germantown 24/7, including holidays and weekends. We know how vital garage doors are, so if your system crashes or the wireless component fails, give us a call! Our professionals will repair garage doors and openers quickly to minimize your system’s downtime.

Whether it’s a spring, track, cable, motor, multi-user panel, or something else, we have the parts to service and repair it. Our pros will repair the obvious and troubleshoot underlying problems that may have caused it to fail. We’ll fix your garage door system so that it’s operating as it should, and all work and parts are warrantied.


Are you tired of opening and closing your garage door manually in all weather? Looking for a reliable company to do garage door opener installation in Germantown? STI Garage Door is the company for you! We sell, install, service, and maintain residential and commercial garage openers and doors. Whether you need a sliding door, swing-up or out, or a roll-up, we have the door for you; even custom door design and installations if you need.

For quality installation and garage door maintenance service in Germantown, call on our skilled technicians. They have the experience to install and service your doors and openers so your system operates as it should. We guarantee our work and products with the best warranty in the business.

Opener Service

A door without a working opener can be a heavy lift or push. At STI Garage Door, we carry, install, and service different kinds of commercial and residential opener systems that will efficiently open and close all types of doors to meet our customer needs. If you need a garage door opener service in Germantown, we’re the team for you.

Garage openers provide convenience and security for homes and businesses. They can be opened by keypad, sensors, remotes, a wireless device or cell phone, and can accommodate single or multiple users. For added security, openers can be equipped with rolling codes that change every time the door is opened. We even carry battery back-ups for power outage operation. If you require a garage door opener or replacement, give STI a call!

Insulation and Maintenance

Garage doors provide security, convenience, and can help improve the heating and cooling bills of homes and businesses. Insulated door panels are rated R-12 to R-18 and can help improve interior temperature control. We also carry other insulation products for existing doors that aren’t insulated.

For commercial or residential garage door insulation, our professionals are the ones to call. They’ll check out your doors and let you know what we can do to make your doors thermal barriers to keep the temperature where you want it.

STI carries, installs, and maintains standard doors, and also impact doors for added security for homes or businesses. We also have roll-up glass panel doors that improve access and visibility. For dependable garage door selection, service, and maintenance in Germantown give us a call!