Custom-Engineered Bi-Fold Doors

These custom-engineered bi-fold doors fit multiple applications in agricultural buildings. Very cost-effective and durable, these bi-fold doors will install into any building, from steel quonsets to fabric structures. The steel header and support columns are a viable solution to maximize clear openings and provide necessary support.

Standard features include:

  • High strength tubular steel frame
  • Industrial grade hinges with a unique bushing design
  • Custom designed heavy duty bottom rollers
  • Easy-to-use single lever lock system
  • High flex fiber core lift cables Industrial grade electric operator
  • Pre-wired electrical box Safety switch and photo-electric safety sensors
  • and more ...

Many options available to customize your bi-fold door:

  • Laminated insulation panels with white aluminum interior liner
  • Exterior cladding and trim packages
  • High wind protection options
  • Steel header and supporting columns
  • Automatic electric lock system
  • and more...

For more information, go to Diamond Doors

We offer a 1-year
warranty on installation.


Great Lakes Door Systems Sell and Install:

J.E.M Polydoor
Diamond Doors logo / link
Wayne Dalton Commercial Doors
Lift Master Logo / Link