ThermoMark 5255

ThermoMark™ Model 5255 insulated commercial sectional doors are extremely rugged and durable, with excellent thermal insulation qualities. For commercial projects that require a door with strength, insulation and an overall solid performance, these doors are the ideal choice.

Commercial Operators

With the ability to supply a variety of commercial operators, we supply & install 3 of the best.





Are you looking for quality routine maintenance? Did someone knock your overhead door our of line? Motor not working correctly? No matter what the issue, our Service Technicians have the experience and know-how to get the job done right. Contact us today with any questions!

Door Construction


  • Stucco steel back panels for aesthetics and easy cleaning
  • Hot-dipped, galvanized steel wrap-around end caps add strength, rigidity and long life
  • CFC- and HCFC-free polyurethane foamed-in-place insulation
  • Sound absorbing insulation makes door quieter in operation; reduces wind rattling
  • Two-coat, baked-on polyester finish makes surface virtually maintenance free
  • Bulb-shaped bottom seal remains flexible even in extreme cold to help keep the bad weather outside.



Vision Lites

Options & Accessories for 5255 Wayne Dalton

Insulated Vision Lites allow for visibility while maintaining security.


  • Chain hoist operation
  • Motor operation
  • High cycle springs (25k, 50k, 100k)
  • 3” track
  • Solid shafts
  • Perimeter weatherseal
  • Broken cable devices
  • Sensing edges
  • Photo eyes
  • Special track designs
  • Mullions

Get in Touch

Want a quote on a 5255? Please contact us for your worry free quote today!