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    ISO 14001:2015

    Northstone Materials Limited
    Head Office
    Croaghan Quarry, Block Yard, Asphalt
    Plant, Concrete Plant
    Shinny Road
    Coleraine
    BT51 4PS
    United Kingdom
    BSI logo

    Certificate Number: EMS 796420
    Scope: The production of coated bituminous materials. Quarrying and the production of aggregates and ground limestone, limestone fillers and grits. The production of sand and gravel. The production of ready mixed concrete, concrete products and concrete blocks. The production of concrete roof tiles and the supply of associated fittings. The production of specialist floor screeds. The manufacture of crushed rock fill materials. Civil engineering and road construction activities. The design and installation of all coated bituminous materials to client and proprietary standards including associated engineering works and laying of specialist surfaces. The laying of asphalt mixes. Head Office activities.

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2023-09-06 2025-05-09 2025-07-18 2028-05-08