I.S. EN 771-1:2011

National Foreword
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials and manufacture
5 Requirements for clay masonry units
6 Description, designation, designation code
  and classification of clay masonry units'
7 Marking
8 Assessment and verification of constancy of performance
  (AVCP)'
Annex A (normative) - Sampling for product type
        determination tests and for independent
        testing of consignments'
Annex B (informative) - Additional information
Annex C (informative) - Guidelines 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 Regulation'
Bibliography

Defines the characteristics and performance requirements for masonry units manufactured from clay for which the main intended uses are protected or unprotected masonry structure (e.g. facing and rendered masonry, loadbearing or non-loadbearing masonry structures, including internal linings and partitions, for building and civil engineering).