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    I.S. EN 673:2011

    Current The latest, up-to-date edition.

    GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - CALCULATION METHOD

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2011

    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)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols, dimensionless numbers and
       subscripts
    5 Basic formulae
    6 Basic material properties
    7 External and internal heat transfer coefficients
    8 Declared values: standardized boundary
       conditions
    9 Expression of the results
    10 Test report
    Annex A (normative) - Iteration procedure for
            glazing with more than one gas space
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a calculation method to determine the thermal transmittance of glazing with flat and parallel surfaces.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

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

    ISO 10211:2017 Thermal bridges in building construction — Heat flows and surface temperatures — Detailed calculations
    EN ISO 10456:2007/AC:2009 BUILDING MATERIALS AND PRODUCTS - HYGROTHERMAL PROPERTIES - TABULATED DESIGN VALUES AND PROCEDURES FOR DETERMINING DECLARED AND DESIGN THERMAL VALUES
    EN 410:2011 Glass in building - Determination of luminous and solar characteristics of glazing
    EN 12898:2001 Glass in building - Determination of the emissivity
    EN ISO 13790:2008 Energy performance of buildings - Calculation of energy use for space heating and cooling (ISO 13790:2008)
    EN ISO 6946:2017 Building components and building elements - Thermal resistance and thermal transmittance - Calculation methods (ISO 6946:2017, Corrected version 2021-12)
    EN ISO 10211:2017 Thermal bridges in building construction - Heat flows and surface temperatures - Detailed calculations (ISO 10211:2017)
    EN 674:2011 Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method
    ISO 10456:2007 Building materials and products — Hygrothermal properties — Tabulated design values and procedures for determining declared and design thermal values
    EN 675:2011 Glass in building - Determination of thermal transmittance (U value) - Heat flow meter method
    ISO 6946:2017 Building components and building elements — Thermal resistance and thermal transmittance — Calculation methods
    ISO 10077-1:2017 Thermal performance of windows, doors and shutters — Calculation of thermal transmittance — Part 1: General
    ISO 13790:2008 Energy performance of buildings Calculation of energy use for space heating and cooling
    EN ISO 10077-1:2017 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 1: General (ISO 10077-1:2017, Corrected version 2020-02)
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