Vertical Lifting Fabric Doors for Hangars
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ASSA ABLOY Entrance Systems manufactures Megadoor vertical lifting fabric doors for use in aircraft hangars, mining, steel mills, aerospace, shipbuilding and military facilities worldwide.
The Megadoor vertical lifting fabric door provides superior answer to extraordinary access challenges. The solutions fulfill size, insulation and rapid opening requirements, and give architects and engineers greater freedom in designing building structures.
Reliable, energy-saving vertical lifting fabric doors
The simplicity of the Megadoor design and operation contributes both to superb functionality and long-term reliability. With no springs or counterweights, and very few moving parts, it requires practically no maintenance.
The innovative solution, and a key reason for Megadoor hangar doors global success, was a dual-layer fabric construction, supported by unique seals around the door that minimise residual air infiltration.
Today, in addition to promoting a comfortable working temperature, the Megadoor fabric is also available in a translucent quality that substantially increases the amount of daylight within the hangar, without the negative effects of direct sunlight. This allows technicians to work under natural lighting conditions, as well as contributing to energy cost savings during the day.
Custom and large-sized hangar doors
The Megadoor is designed with few moving parts, and requires very little maintenance. Thanks to the unique design it is particularly suitable for environments with strong winds. The horizontal sections transfer the wind load to the vertical guides, which are attached to the building structure.
The door can be designed to withstand almost any wind load by varying the size and spacing of the intermediate sections. There is almost no limitation to size or configuration. In multiple door design, daylight widths are unlimited.
The Megadoor hangar door slides up and down in weather-sealed vertical guides, which are attached to the building structure. It operates by lifting the bottom section upwards, thereby stacking the intermediate sections one on top of the other. The fabric folds into pleats on both sides.
Opening and closing speed depend on model, and varies between 0.2m/s and 0.6m/s.
Multiple-door systems for hangar
For certain applications, for example in aviation, it is an advantage to split a large opening into two or more smaller openings, using the patented Megadoor swing-up mullion system.
The flexibility of multiple doors presents building designers with many advantages. Lower energy consumption, reduction in building size and function-specific design are just three of many possible benefits.
New builds as well retrofits
A Megadoor solution is not only the best choice for new hangar door installations. It is also the best way to bring older hangars into the modern age, ensuring that their door closures fulfill the stringent requirements of Federal Aviation Administration (FAA ) and European Aviation Safety Agency (EASA) regulations.
In many cases, by adding an extension to the front of the hangar, it is possible to accommodate larger aircraft, thus generating additional income and faster return investment.
Smart solutions for aerospace paint booths
The Megadoor vertical lifting fabric door has the lowest level of air infiltration of any large door in the industry. The unique design utilises a single, PVC-coated polyester fabric sheet that is attached to the exterior and interior of the door system. This eliminates any air infiltration through the door, or at the door head.
The Megadoor fabric envelops the side guides, creating a unique, tight, double-seal, that does'nt require maintenance or replacement. The only maintainable seal on the entire door system is the heavy duty EPDM rubber bottom loop, that seals the door to the floor. Together these features ensure that air infiltration is low enough to make the Megadoor system an ideal fit for use by NASA in its satellite clean rooms.
About ASSA ABLOY Entrance Systems
ASSA ABLOY Entrance Systems is the world's most comprehensive supplier of entrance automation solutions. With a holistic approach to the flow of people, goods and vehicles, they create solutions with a balance of cost, quality and lifetime performance.
Today we have gathered a strong portfolio of global brands under a single roof, preserving the wealth of expertise of each. Besam, Crawford, Megadoor and Albany are expert brands in their respective fields. Each has a strong history of proven solutions and exceptional service know-how in industrial, pedestrian and extraordinary entrances.
ASSA ABLOY solutions form a total offering for the front, back and interior of your building. The company's combined approach means it understands the full range of challenges you face, and allows it to provide the best solution for your total entrance needs.
ASSA ABLOY Entrance Systems is a division within ASSA ABLOY, a global leader in door opening solutions.
ASSA ABLOY Entrance Systems
PO Box 171
+46 10 47 47 100
+46 (0)40 97 64 40
Available White Papers
Megadoor Vertical Lifting Fabric Door from ASSA ABLOY Entrance Systems Jet Aviation, a wholly owned subsidiary of General Dynamics, was founded in 1967.
A Megadoor for the World's Largest Aircraft ASSA ABLOY Entrance Systems has proudly provided Stratolaunch Systems with a 420ft (w) x 68ft (h) (128m x 21m) hangar door system for its new fabrication facility located in Mojave, California.
Reliable Quality, Long Durability and Lifetime with the Megadoor System In 1988, a new installation of Megadoor vertical lifting doors for Sterling Airways was completed at Copenhagen Airport, Denmark.