Products / Megadoors Megadoors Megadoors are the perfect choice for aviation, shipyard, mining, aerospace and heavy industries. With almost no limitation in size or configuration, doors for large openings are our specialty. We invented the vertical lifting Megadoor in 1977 and with over 30,000 installations around the globe, ASSA ABLOY is the leader in large door systems. We also offer a variety of solutions for hangar door design, and we strive to be a one-stop shop for hangar door parts and hangar door repair. Explore our many options to see how we can help with your aircraft hangar needs. Aviation hangar door systemsEnhance your aviation operations with vertical-lifting Megadoors Learn why the world’s leading aircraft manufacturers, militaries, airlines, fixed based operators (FBO’s), Maintenance Repair &... Shipyard doorsShipyard doors form a durable barrier against coastal weather with hangar door seals ideal for high winds and corrosive conditions. With safe, sustainable and efficient operation, they meet the... Mine doorsFast and reliable operation in tough mining environments. Crane doorsCrane doors can seal tightly around the crane while allowing free movement of goods. Options include hangar door designs around an existing crane, T-shape to suit a crane on rails and multiple leav... Heavy Industry DoorsHeavy industrial roll up doors are rugged, durable and low-maintenance to withstand tough conditions with tight seals that provide superior temperature control and energy efficiency.