EN 771-2:2011/FprA1

Specification for masonry units - Part 2: Calcium silicate masonry units EN 771-2:2011/FprA1

General information

50.60 Close of voting. Proof returned by secretariat   Dec 10, 2014


CEN/TC 125 Masonry

European Norm

91.100.25   Terracotta building products


This document specifies the characteristics and performance requirements of calcium silicate masonry units for which the main intended uses are inner walls, outer walls, cellars, foundations and external chimney masonry. This document is intended to apply to all calcium silicate masonry units, including those of an overall nonrectangular parallelepiped shape, specially shaped and accessory units.It defines the performance related to e.g. strength, density and dimensional accuracy, measured according to the corresponding test methods contained in separate European Standards. It provides for the evaluation of conformity of the product to this European Standard. The marking requirement for products covered by this document is also included. This document does not specify standard sizes for calcium silicate masonry units, nor standard work dimensions and angles of specially shaped and accessory units. It does not cover units with more than 60 % volume of voids, nor products made from shale as a major raw material. It does not cover storey height panels. It does not cover units intended for use as a damp proof course, nor units with an incorporated thermal insulation material bonded to the faces of the unit susceptible to be exposed to fire nor chimney flue units.

Related legislation

Legislation related to this standard


Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec

Life cycle


EN 771-2:2011


EN 771-2:2011/FprA1
50.60 Close of voting. Proof returned by secretariat
Dec 10, 2014