I.S. EN 1745:2020
Current
The latest, up-to-date edition.
Masonry and masonry products - Methods for determining thermal properties
Hardcopy , PDF
English
10-08-2020
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
European foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Determination of λ10,dry, unit –values for solid masonry units and λ10,dry,mor –values for mortars
5 Determination of equivalent λ10,dry,unit -values for masonry units with formed voids and composite masonry units
6 Moisture conversion
7 Determination of design thermal values (Rdesign,mas or λdesign,mas) for masonry built from masonry units and mortar
8 Determination of the thermal transmittance of masonry
9 Specific heat capacity
10 Rounding rules for λ-values for masonry units and masonry
Annex A (normative) Tabulated λ10,dry,mat -values of materials used for masonry products
Annex B (informative) Rdry,mas - or λ10,dry,mas -values of masonry built from a range of masonry units containing formed voids
Annex C (informative) Example of how to use the tables in Annex B
Annex D (normative) Requirements for appropriate calculation procedures
Annex E (informative) Assessment and verification of constancy of performance
Annex F (informative) Alternative procedure for the moisture correction of units with formed voids
Annex G (informative) Simplified methodology for determining design moisture content of composite masonry units
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