BI-FOLD HANGAR DOOR REPAIRS & INSTALLATION

Not sure what configuration of bi-fold hangar door is best for your facility? MEGA DOOR CO. has NO geographical limitations. Whether you are building a new private aircraft hangar, outfitting a municipal airport facility, or retrofitting a large agricultural or commercial building, our certified technicians travel directly to your job site.

Why Choose a MEGA DOOR CO. Bi-Fold Hangar Door?

A bi-fold hangar door is easy to install, looks great, and offers an exceptional degree of weather protection from the elements. What’s more, a bi-fold hangar door lifts vertically by folding in half, so no matter how large your hangar is, a bi-fold hangar door can be custom engineered to enclose and secure the space. These doors attach securely to the hangar header at the top pivot hinges and use heavy-duty side guide rollers within vertical jamb tracks to stabilize and guide the door smoothly as it opens.

At MEGA DOOR CO., we design every bi-fold hangar door using high-tensile steel tubing, industrial-grade lift mechanisms, and precision hinge geometry. Because the door splits horizontally into two folding panels during the lift cycle, it reduces the exterior swing radius significantly compared to one-piece swing doors. This allows you to park aircraft and service vehicles closer to the entrance while maintaining effortless, push-button access to your building.

Key Configurations & Engineering Features

High-Strength Lift Options: Heavy-Duty Straps or Steel Cables

MEGA DOOR CO. bi-fold hangar door systems can be configured with your preferred drive mechanism:

• High-Strength Lift Straps: Ultra-durable polyester lift straps provide quiet, low-maintenance lifting with zero cable-wrap binding, smooth acceleration, and extended service life.
• Heavy-Duty Steel Cable Drums: Precision-grooved cable drums deliver rugged, reliable performance engineered to handle heavy cladding, glass, and extreme door weights.

Compact Fold Geometry & Minimal Exterior Projection

As a bi-fold hangar door opens, the bottom half draws upward and folds tightly against the top half, forming a neat, elevated package:

• Reduced Projection Arc: The bi-fold action projects outward only a fraction of the distance required by single-piece swing doors, maximizing exterior apron staging area.
• Minimized Motor Strain: The two-stage folding geometry distributes the mechanical load evenly throughout the lifting cycle, reducing stress on the drive motor and mechanical components.

Integrated Safety Systems & Automatic Locking

Every MEGA DOOR CO. bi-fold hangar door incorporates redundant safety engineering to protect personnel, aircraft, and ground support equipment:

• Automatic mechanical or electric auto-latching systems that seal the door tightly against the frame when fully closed
• Integrated safety limit switches and optical obstruction sensors to prevent accidental operation
• Soft-start/soft-stop motor controls and manual emergency backup systems for continuous operation during power disruptions

Weather-Tight Perimeter Sealing & High Wind-Load Ratings

Engineered to withstand heavy gusts, driving rain, freezing snow, and extreme temperature swings:

• Continuous heavy-duty EPDM rubber seals across the top header, center fold hinge line, side jambs, and bottom floor contact
• Deep bottom rubber astragal that conforms to irregular concrete aprons to prevent drafts, moisture intrusion, and pest entry
• Wind-load engineering certified to meet stringent local building codes and airport structural standards

Bi-Fold Hangar Door Options

Flush-Mount Bi-Fold Hangar Door

Engineered for new structural steel, post-frame, or pre-engineered metal buildings. The door frame integrates directly into the building's primary end-wall structure, providing a clean exterior profile that aligns flush with the surrounding siding.

Self-Supporting Stand-Alone Bi-Fold Hangar Door

Equipped with an independent perimeter sub-frame that transfers the door’s dead weight and operating forces directly to the ground slab. This design is the ideal choice for retrofitting older hangars, pole barns, or structures with limited roof truss capacity.

Architectural Glass & Custom-Clad Bi-Fold Doors

Tailored for modern corporate aviation hangars, high-end residential fly-in properties, and commercial showrooms. These systems accommodate full-view insulated glass panels, translucent polycarbonate sheets, designer wood facades, and custom color-matched metal trims.

Large-Span Commercial Bi-Fold Doors

Custom-engineered for wide commercial aviation openings, heavy maintenance facilities, and cargo hangars. Built with reinforced trussing and high-horsepower drive units to cycle extra-wide doors quickly and reliably.

Complete Turnkey Services by MEGA DOOR CO.

Whether you need a new bi-fold hangar door installation or immediate maintenance on an existing unit, MEGA DOOR CO. provides full lifecycle support:

• Custom Engineering & Sizing: Structural calculations, wind-load analysis, custom frame fabrication, and tailored insulation packages.
• Turnkey Installation & Commissioning: Professional hinge mounting, jamb track alignment, drive unit setup, lift strap or cable rigging, and complete safety testing.
• Service, Maintenance & Repairs: Lift strap and cable replacement, bottom roller rebuilds, hinge lubrication, motor repair, and weather seal renewal.
• Cable-to-Strap Conversions & Motor Upgrades: Upgrading older cable-lift bi-fold doors to modern, low-maintenance lift strap systems and adding remote control automation.