BS EN 771-3 : 2011

European foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Materials
5 Requirements for aggregate concrete masonry units
6 Description, designation and classification of aggregate
  concrete masonry units
7 Marking
8 Assessment and verification of constancy of
  performance (AVCP)
Annex A (normative) - Sampling for determination of
        product type and for independent testing of
        consignments
Annex B (normative) - Compliance criteria for product
        type determination and for independent testing
        of consignments
Annex C (informative) - Examples of different shapes
        of aggregate concrete masonry units
Annex D (informative) - Guidance for test frequencies
        for designing a FPC system to demonstrate
        conformity of finished products with the
        requirements of the standard and the
        declaration of the manufacturer
Annex ZA (informative) - Clauses of this European
         Standard addressing the provisions of the
         EU Construction Products Directive
Bibliography
National Annex (informative) - Commentary on the
               differences between EN 771-3:2011+A1:2015
               and BS 6073-1:1981

Describes the characteristics and performance requirements of aggregate concrete masonry units made from dense and lightweight aggregates or a combination of both for which the main intended uses are common, facing or exposed masonry in load bearing or non load bearing building and civil engineering applications.