NEN EN 771-2 : 2011 + A1 2015
Current
The latest, up-to-date edition.
SPECIFICATION FOR MASONRY UNITS - PART 2: CALCIUM SILICATE MASONRY UNITS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials and manufacture
5 Requirements for calcium silicate masonry units
5.1 General
5.2 Dimensions and tolerances
5.3 Configuration
5.4 Dry density
5.5 Compressive strength
5.6 Thermal properties
5.7 Durability
5.8 Water vapour permeability
5.9 Reaction to fire
5.10 Water absorption
5.11 Moisture movement
5.12 Bond strength
6 Description, designation and classification of calcium
silicate masonry units
6.1 Description and designation
6.2 Classification
7 Marking
8 Evaluation of conformity
8.1 General
8.2 Initial type tests
8.3 Factory production control
Annex A (normative) Sampling for initial type testing
and for independent testing of consignments
Annex B (normative) Cutting schemes
Annex C (normative) Tolerances on accessory units
Annex D (informative) Classification systems
Annex ZA (informative) Clauses of this European standard
addressing the provisions of the EU Construction
Products Directive
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