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    I.S. EN 771-4:2011

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    SPECIFICATION FOR MASONRY UNITS - PART 4: AUTOCLAVED AERATED CONCRETE MASONRY UNITS

    Available format(s):  Hardcopy, PDF

    Superseded date:  23-11-2021

    Language(s):  English

    Published date:  12-05-2011

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    National Foreword
    European foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Materials and manufacture
    5 Requirements for AAC masonry units
    6 Description, designation and classification of
      AAC masonry units
    7 Marking
    8 Assessment and verification of constancy
      of performance (AVCP)'
    Annex A (normative) - Sampling for product type determination
            test and for independent
            testing of consignments'
    Annex B (normative) - Cutting schemes
    Annex C (informative) - Guidance on FPC frequencies
    Annex ZA (informative) - Clauses of this European Standard
             addressing the provisions of the EU Construction
             Products Regulation'
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines the characteristics and performance requirements of autoclaved aerated concrete (AAC) masonry units for which the main intended uses are different types of load bearing and non-load bearing applications in all forms of walling including single leaf, cavity, partitions, retaining, basement and general use below ground level, including walling for fire protection, thermal insulation, sound insulation and the fabric of chimneys (excluding chimney flue units).

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes I.S. 91, I.S. 189 & I.S. 190. (11/2010) Supersedes I.S. 20. (11/2011) 2011 Edition Re-Issued in September 2015 & incorporates AMD 1 2015.(09/2015)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    S.R. 325:2013+A2:2018/AC:2019 RECOMMENDATIONS FOR THE DESIGN OF MASONRY STRUCTURES IN IRELAND TO EUROCODE 6

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 998-2:2016 Specification for mortar for masonry - Part 2: Masonry mortar
    ISO 12491:1997 Statistical methods for quality control of building materials and components
    EN 680 : 2005 DETERMINATION OF THE DRYING SHRINKAGE OF AUTOCLAVED AERATED CONCRETE
    EN 772-1:2011+A1:2015 Methods of test for masonry units - Part 1: Determination of compressive strength
    EN 1745:2012 Masonry and masonry products - Methods for determining thermal properties
    ISO 12572:2016 Hygrothermal performance of building materials and products Determination of water vapour transmission properties Cup method
    EN 772-16:2011 Methods of test for masonry units - Part 16: Determination of dimensions
    EN ISO 12572:2016 Hygrothermal performance of building materials and products - Determination of water vapour transmission properties - Cup method (ISO 12572:2016)
    EN 1996-1-1:2005+A1:2012 Eurocode 6 - Design of masonry structures - Part 1-1: General rules for reinforced and unreinforced masonry structures
    EN 772-20:2000/A1:2005 METHODS OF TEST FOR MASONRY UNITS - PART 20: DETERMINATION OF FLATNESS OF FACES OF MOSONRY UNITS
    EN 1996-1-2:2005/AC:2010 EUROCODE 6 - DESIGN OF MASONRY STRUCTURES - PART 1-2: GENERAL RULES - STRUCTURAL FIRE DESIGN
    EN 1052-3:2002/A1:2007 METHODS OF TEST FOR MASONRY - PART 3: DETERMINATION OF INITIAL SHEAR STRENGTH
    EN 772-11:2011 Methods of test for masonry units - Part 11: Determination of water absorption of aggregate concrete, autoclaved aerated concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units
    EN 772-13:2000 Methods of test for masonry units - Part 13: Determination of net and gross dry density of masonry units (except for natural stone)
    EN 1052-2:2016/AC:2017 METHODS OF TEST FOR MASONRY - PART 2: DETERMINATION OF FLEXURAL STRENGTH
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