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I.S. EN 1745:2020

Current

Current

The latest, up-to-date edition.

Masonry and masonry products - Methods for determining thermal properties

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-08-2020

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.

€120.00
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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

This document specifies methods for the determination of thermal properties of masonry and masonry products.

Committee
TC 125
DocumentType
Standard
Pages
100
ProductNote
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

Standards Relationship
EN 1745:2020 Identical

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