In the late 18th Century Stirling castle lost its fabulous 16th century hammer beam roof and in 1997 Carpenter Oak & Woodland were contracted to manufacture and install its replacement. It is believed that the west wall may well have been loaded with the original roof before the lime mortar had completely cured. Consequently the wall curves along its length by up to a foot in places creating a shallow S shape. This meant that each hammer beam truss had a slightly different span and pitch, mixing up the pieces was not going to be helpful! This five page article includes large black and white photographs of the reconstruction, diagrammatic details of specific joints and a comprehensive explanation of the process.
The canted hammer post and beam at the wall connection
The completely enclosed temporary scaffolding was a masterwork of engineering and construction in its own right
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