Garage Door Repair and Installation in Potomac, MD

For garage door repair in Potomac contact STI Garage Door! Whether you have or need, a roll-up, sliding, or swing-up or out garage door, we are the service for all your garage door requirements. Our techs carry out a full checklist of items, including:

  • Test that the door opens and closes properly
  • Inspect door panels for damage
  • Check that the door is level and seals at the top, sides, and bottom
  • Make sure the tracks are adequately supported, and there are no gaps, breaks or twists
  • Inspect all brackets for alignment and secure fastening
  • Check all pulleys, springs, and cables work as they should and fastened correctly
  • Identify that the torsion spring and bar offer correct tension and are secure
  • Confirm that the electric opener works correctly
  • Test that keypads, remotes, and sensors work properly

We’re the team you need for all your garage door needs!

Garage Door Repair and Installation in Potomac, MD

Emergency Repair

If your opener won’t work, your door is off its track, or there was a break and a crash, call on our emergency garage door service in Potomac. It’s 24/7 and includes weekends and holidays!


When you’re searching for garage door installation in Potomac, MD go with the best! Our team of experienced professionals will help you choose the best door for your home or business, and install it. We have many standard and semi-customizable doors in stock, and can easily order in custom made to measure to fit your requirements.

Garage Door Repair and Installation in Potomac, MD

Opener Service

To repair an existing opener, or for a new garage door opener installation in Potomac, call on STI. We offer reasonable rates and only quality workmanship. We carry openers with keypads, panels, remote, sensors, rolling codes, and even battery backup systems, so it always works. You can even monitor and operate the door from your phone or other device!


Garage doors control access into homes and business properties; they also help to keep the weather out. Thin metal doors aren’t much protection from the extremes of heat and cold, so we offer insulated doors and products to help control the temperature. Residential garage door insulation will help reduce energy bills, plus keep your vehicles and interior space more comfortable. Our commercial doors are insulated to help maintain temperatures to protect products, plus we carry impact doors for better security, and roll-up glass doors to help bring the outdoors in. Contact our experts to discuss insulation products, residential or commercial insulated doors in Potomac, Maryland.