​​​​Boston's commercial Door Service


781-932-4763                       info@superiordoorservice.com

*Run door to ensure proper overall operation
*Verify correct limit settings

​Superior Door can perform a preventive maintenance on any of your commercial doors, including dock levelers and revolvers.  

You can enroll in our maintenance plan - choose the frequency and we take care of the rest!



  • Tracks
  • Rollers
  • Springs
  • Bearings
  • Head Plate Bearings
  • Drive Chain
  • Idler Bearing
  • Trolley Track
  • Trolley
  • Hinges


  • Spring
  • Spring Tension
  • Spring Shaft
  • Cable Drums
  • Cables
  • Mounting Brackets
  • Head Plate Bearings
  • Track Assembly
  • Track Mounting Angles
  • Hinges
  • Rollers
  • Photo Eye Alignment
  • Trolley Assembly
  • Drive Chain Motor
  • Weather Stripping
  • Pneumatic Safety Edge
  • Brake Assembly

Keeping up with regular preventive maintenance on doors benefits any company! Regular preventive maintenance reduces downtime costs by identifying the problem before it becomes an issue. 

Without the proper attention, any door can break down! 

And nothing inconveniences a business more than a "non-operational" door. Our Preventative Maintenance includes (where applicable):