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    BS EN 771-4

    Tarmac Building Products Limited
    i10 Building
    Railway Drive
    Wolverhampton
    WV1 1LH
    United Kingdom
    BSI logo

    Certificate Number: CPR 595681
    Scope: BS EN 771-4:2011+A1:2015 - Specification for masonry units - Part 4: Autoclaved aerated concrete masonry units., Autoclaved aerated concrete masonry units – Category I.

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2013-07-04 2023-08-30