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About

M W Johnston & Son supply a full range of quarry materials to both trade customers and the public. Based in County Down, the quarry produces a high quality gritstone (greywacke). Our processes enable the material to be crushed and screened to various specifications. Uses include road-building, construction, civil engineering works, manufacture of concrete and precast products, drainage, rock armour, sports ground construction and maintenance. All materials can be collected from the quarry. A local delivery service is also available.

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