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Last edited 11 Mar 2021
|The Orwell Clunch Pit, near Cambridge, is a medieval quarry that was designated a Site of Special Scientific Interest (SSSI) in 1985.|
In its freshly quarried state, clunch is soft and holds water, which makes it easier to cut. Once dry, it hardens and becomes more difficult to cut.
It was not suitable for large scale use, since it would easily erode when exposed to chemicals or severe weather. Structures made from clunch had to be protected with paint, cement or stucco and could then be finished with a lime wash.
However, even when the surfaces were covered, clunch was not especially durable and could even be damaged by frost. Despite this, it was often used in certain parts of the country, since it was inexpensive and widely available.
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