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    BS EN 771-3

    I.A. & C. MacIver
    Parkend Industrial Estate
    Isle of Lewis
    Stornoway
    HS2 0AN
    United Kingdom
    BSI logo

    Certificate Number: CPR 600688
    Scope: BS EN 771-3:2011+A1:2015 - Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)., Category I.

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2014-06-30 2021-01-01 2020-12-03