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Industrial Sliding Folding Door
The Madoors USA Industrial Sliding Folding Door is a motorized or manual folding sliding door system engineered for large industrial openings — aircraft hangars, agricultural barns, warehouses, factories, and commercial premises — where maximum clear opening width, minimum headroom of only 160mm, high security, and efficient vehicle access are simultaneously required. The exclusive Madoors USA assembly system creates a unique folding effect that combines different door concepts in the same facade, with opening to one or both sides, floor track and top rail configurations, certified wind load resistance Class 4 to EN 12424, maximum height of 10 meters, and motor drive options including 380V 3-phase and 240V single-phase with chain drive and manual override for power failure operation.
Particularly suited to factory and warehouse logistics operations where delivery trucks must back directly to the entrance without the wide clearance required by swing-out hinged doors, the Madoors USA sliding folding door allows vehicles to reverse to the loading face while the door folds compactly to the side — providing immediate access without the vehicle positioning constraints and floor space consumption of alternative large industrial door configurations.
TECHNICAL SPECIFICATIONS
Madoors USA Industrial Sliding Folding Doors are available in two primary configurations — the top rail system without floor track requiring only 160mm headroom, and the floor track system with adjustable roller trolleys and door leaves providing maximum stability and load capacity for heavy industrial applications.
Top rail configuration uses a top-hung sliding system with motor chain drive from a top rail manufactured from black painted galvanized steel — requiring only 160mm of headroom above the door opening for the full mechanism and drive housing. This minimal headroom requirement makes the top rail configuration the appropriate specification for buildings with structural constraints above the door opening where conventional industrial door systems requiring 300mm or more of headroom cannot be installed.
Floor track configuration provides a floor-mounted rail system with galvanized steel standard track or reinforced heavy-duty track for areas with heavy vehicle traffic loads. Adjustable roller trolleys with ball bearings provide smooth, flexible operation and ease of component replacement. The heavy-duty floor track option accommodates the wheel loading of industrial forklifts, heavy goods vehicles, and agricultural machinery at the door threshold — maintaining reliable track performance under the heaviest industrial traffic without track deformation or trolley damage.
Both configurations are certified to wind load resistance Class 4 under EN 12424 — the European standard for industrial door wind resistance classification. Class 4 is the highest available EN 12424 wind resistance classification, confirming that the door withstands the highest standard wind loading conditions for permanent outdoor industrial door installations.
Maximum door height is 10 meters — covering the full range of aircraft hangar, large warehouse, and agricultural barn door opening heights encountered in industrial construction. Opening to one or both sides provides configuration flexibility for different facade layouts and available stacking space.
Motor drive options are 380V 3-phase and 240V single-phase — with both options driving the traction chain system that opens and closes the folding door panels. Manual override is standard on all motorized configurations — ensuring continued door operation during power failure without manual panel-by-panel manipulation.
KEY FEATURES
160mm Minimum Headroom — Exclusive Top Rail System
The 160mm minimum headroom requirement is the primary installation advantage of the Madoors USA top rail system — the lowest available headroom specification for any motorized industrial folding sliding door system of this scale. This minimal headroom allows installation in buildings where structural beams, services, and low header conditions above the door opening prevent the installation of conventional industrial doors requiring significantly greater above-door clearance. The exclusive Madoors USA top rail design achieves this minimal headroom while maintaining full Class 4 wind load resistance and 10-meter maximum height capability.
Unique Folding Effect — Combined Door Concepts in One Facade
The exclusive Madoors USA assembly system creates a unique folding effect that can incorporate different door concepts — panel sizes, infill materials, and structural configurations — within the same facade. This design flexibility allows the door system to be specified for the specific combination of structural performance, thermal insulation, aesthetic character, and operational requirements of each installation without constraining the design to a single standard panel configuration.
Opening to One or Both Sides
Single-side opening configuration stacks all door panels to one side of the opening — suited to facades where available wall space exists on one side for panel stacking. Both-sides opening configuration splits the door panels to open equally to both sides — halving the stacking depth required on each side and providing symmetrical facade appearance in the open position. Both options are available in top rail and floor track configurations.
EN 12424 Class 4 Wind Load Resistance — Highest Classification
Class 4 wind load resistance certification to EN 12424 provides the highest available European standard wind resistance classification for industrial doors — confirming that the door withstands the maximum wind loading specified in the standard without structural failure, excessive deflection, or hardware damage. Class 4 certification satisfies the wind load specification requirements for exposed industrial locations including coastal sites, elevated positions, and open agricultural land where wind loading on large-span door openings is the governing structural design criterion.
10-Meter Maximum Height — Aircraft Hangar & Large Span
The 10-meter maximum height covers the full range of aircraft hangar, large warehouse, and agricultural barn door opening heights — including the tall aircraft hangar openings required for wide-body business jets and turboprop aircraft, the high agricultural building door openings required for modern combine harvesters and agricultural machinery, and the large warehouse door openings required for tall racking and overhead handling equipment.
Vehicle Backs Directly to Door — Logistics Efficiency
The sliding folding door opens compactly to the side of the opening — allowing delivery trucks, vans, and agricultural vehicles to back directly to the building entrance without the wide clearance area required for the opening arc of conventional hinged or swing-out industrial doors. This direct-back-to-entrance capability directly reduces the vehicle positioning time at each delivery and collection cycle, increases the number of deliveries achievable per shift at busy logistics operations, and eliminates the yard space requirement for swing-door clearance at constrained factory and warehouse sites.
Galvanized Steel Track — Heavy-Duty Option Available
Standard galvanized steel floor track provides corrosion resistance and reliable performance for standard industrial traffic loading. The heavy-duty reinforced floor track option provides additional structural capacity for the heaviest industrial vehicle and machinery traffic — including forklift traffic at full rated load, heavy agricultural machinery, and construction plant — maintaining track geometry and trolley engagement under the highest ground pressure loads encountered at heavy industrial door thresholds.
Ball Bearing Roller Trolleys — Flexible, Easy Change
Ball bearing roller trolleys provide low-friction, smooth door panel travel throughout the full fold-open and fold-close cycle — maintaining consistent operating effort across the full panel weight and temperature range of industrial door operation. Ball bearing construction provides the wear resistance required for the high cycle rates of active industrial operations. Easy changeability of the ball bearing rollers simplifies maintenance and minimizes the downtime required for trolley component replacement.
380V 3-Phase & 240V Single-Phase Motor Options
Two motor supply options accommodate different building electrical infrastructure — 380V 3-phase for industrial facilities with three-phase supply providing maximum motor torque for the heaviest door panel configurations, and 240V single-phase for facilities without three-phase supply where the available single-phase supply must drive the traction chain system. Both motor options include the traction chain drive system and manual override provision.
Manual Override — Power Failure Operation
Manual override is standard on all motorized configurations — providing continued door operation during mains power failure without requiring the door to remain in the last-commanded position. At industrial facilities where vehicle access continuity is operationally critical, manual override ensures that delivery schedules, emergency access, and security closure are maintainable regardless of electrical supply status.
Heavy-Duty Security — Sliding Engineering
The industrial-strength construction and sliding folding mechanism provide security performance that hinged factory doors cannot match — the folded panel configuration in the closed position provides a continuous, structurally connected door surface without the individual panel pivot points of segmented doors that can be forced open at panel joints. Easy-slide engineering provides reliable, consistent operation that maintains the security function on every cycle without the stiffening, misalignment, and hardware wear that progressively degrade the security performance of hinged industrial doors.
Aircraft Hangar & Agricultural Barn Applications
The sliding folding door is the de facto standard configuration for large aircraft hangars and agricultural barns where the movement of aircraft, helicopters, combine harvesters, tractors, and large agricultural machinery requires the widest possible unobstructed clear opening width with no intermediate posts, no floor-level obstacles, and no overhead structural elements within the opening. No other industrial door type provides this combination of maximum clear width, minimal headroom, and panel-free opening access for the largest industrial vehicles and equipment.
ASSEMBLY & INSTALLATION SEQUENCE
Opening Assessment & Configuration Selection
Opening width, height, available headroom — top rail minimum 160mm — floor traffic load for track selection, motor supply voltage, opening direction — one or both sides — and wind load zone classification are confirmed.
Top Rail or Floor Track Installation
For top rail configuration: the galvanized steel top rail is installed at the 160mm header position. Structural fixing capacity for the full panel weight and wind load is verified. For floor track configuration: the specified standard or heavy-duty galvanized steel floor track is installed and secured to the floor surface.
Motor Drive & Chain System Installation
The 380V 3-phase or 240V single-phase motor and traction chain drive system are installed at the specified positions on the top rail or adjacent structure. Motor mounting, chain routing, and drive connection to the door panel trolley system are completed.
Door Panel Fabrication & Assembly
Door panels are fabricated to the confirmed dimensions with the specified infill materials and surface finish. Panel-to-panel folding hinge connections are assembled and verified for correct folding geometry.
Panel Installation on Track or Rail
Assembled door panels are installed on the top rail roller trolleys or floor track roller trolleys in the specified panel sequence. Panel folding travel from the fully closed position to the fully open stacked position is verified for correct fold geometry without panel contact or binding.
Manual Override Connection & Power Failure Testing
Manual override mechanism is connected and tested for correct disengagement of motor drive and manual chain operation across the full open and close travel range.
Wind Load, Security & Operational Testing
Door performance under simulated wind loading at the Class 4 specification is verified. Security panel connection integrity in the closed position is inspected. Complete motorized operational testing across multiple open and close cycles at full panel weight is conducted.
Installation Handover
EN 12424 Class 4 wind load resistance certification, motor system documentation, maintenance schedule, and installation records are compiled into the project handover package.
DEPLOYMENT SCENARIOS & USE CASES
Madoors USA Industrial Sliding Folding Doors are specified for any large industrial opening requiring maximum clear width, minimum headroom, high security, and direct vehicle access.
- Aircraft hangar main bay folding sliding doors
- Agricultural barn wide-span vehicle and machinery access doors
- Warehouse and distribution center large opening doors
- Factory and manufacturing facility vehicle access doors
- Logistics and freight depot high-throughput entrance doors
- Automotive workshop and vehicle maintenance bay doors
- Bus and coach depot maintenance facility large doors
- Railway locomotive and rolling stock depot doors
- Marine and boatyard workshop large opening doors
- Construction plant and equipment depot doors
- Cold storage and refrigerated warehouse access doors
- Fire station apparatus bay large folding doors
- Airport ground support equipment depot doors
- Industrial paint spray booth entrance folding doors
- Mining equipment maintenance facility large opening doors
- Category: Hangar Doors