This European Standard specifies 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. The units are suitable for all forms of walling, including single leaf, external leaf to
chimneys, cavity wall, partitions, retaining, and basement. They can provide fire protection, thermal insulation,
sound insulation and sound absorption.
This European Standard includes aggregate concrete masonry units of an overall non-rectangular
parallelepiped shape, specially shaped and accessory units.
It defines the performance related to e.g. strength, density, dimensional accuracy, and provides for the
assessment and verification of constancy of performance (AVCP) of the product to this European Standard.
The marking requirement for products covered by this European Standard is included.
This European Standard does not specify standard sizes for aggregate concrete masonry units, nor standard
work dimensions and angles of specially shaped aggregate concrete masonry units. It does not cover storey
height panels, chimney flue linings nor units intended for use as a damp proof course. It does not cover units
with an incorporated thermal insulation material bonded to the faces of the unit susceptible to be exposed to
fire.
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