Sarking

Sarking is an English word with multiple meanings in roof construction: In New Zealand, both corrugated metal and asbestos-cement shingle roofs were fitted directly over wooden sarking boards in the historical "bungalow" style of house construction.

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Old St Paul's, Wellington, New Zealand; the interior has been likened to the upturned hull of an Elizabethan galleon - exposed curving trusses and kauri roof sarking