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A blister hangar is a type of arched, portable aircraft hangar. [1] It was designed by Graham Dawbarn, who also designed buildings at a number of airports, and was patented by Miskins and Sons in 1939. It was originally made of wooden ribs clad with profiled steel sheets; steel lattice ribs and corrugated steel sheet cladding later became the norm. [2] It does not require a foundation slab and can be anchored to the ground with iron stakes. Numerous examples were manufactured for military use in World War II and various different sizes were available. [3]
After the war, many were repurposed as agricultural or industrial buildings, but some still remain in use on airfields such as Fairoaks, Redhill, Coal Aston, White Waltham, and Denham.