EN 1745:2020

Masonry and masonry products - Methods for determining thermal properties

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

Mauerwerk und Mauerwerksprodukte - Verfahren zur Bestimmung von wärmeschutztechnischen Eigenschaften

Dieses Dokument legt Verfahren zur Ermittlung der wärmeschutztechnischen Eigenschaften von Mauerwerk und Mauerwerksprodukten fest.

Maçonnerie et éléments de maçonnerie - Méthodes pour la détermination des propriétés thermiques

Le présent document spécifie les méthodes de détermination des propriétés thermiques de la maçonnerie et des produits de maçonnerie.

Zidovje in zidarski proizvodi - Metode za ugotavljanje toplotnih lastnosti

General Information

• Status: Published
• Publication Date: 21-Jul-2020
• Withdrawal Date: 30-Jan-2021
• ICS: 91.080.30 - Masonry
• ICS: 91.120.10 - Thermal insulation of buildings
• Technical Committee: CEN/TC 125 - Masonry
• Drafting Committee: CEN/TC 125/WG 6 - EN 1745
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 22-Jul-2020
• Due Date: 29-Jun-2021
• Completion Date: 22-Jul-2020
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Mandate: M/116 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on masonry and related products
• Ref Project: SIST EN 1745:2020 - Masonry and masonry products - Methods for determining thermal properties

Relations

• Replaces: EN 1745:2012 - Masonry and masonry products - Methods for determining thermal properties
• Effective Date: 29-Jul-2020

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 1745:2020
01-december-2020
Nadomešča:
SIST EN 1745:2012
Zidovje in zidarski proizvodi - Metode za ugotavljanje toplotnih lastnosti
Masonry and masonry products - Methods for determining thermal properties
Mauerwerk und Mauerwerksprodukte - Verfahren zur Bestimmung von
wärmeschutztechnischen Eigenschaften
Maçonnerie et éléments de maçonnerie - Méthodes pour la détermination des propriétés
thermiques
Ta slovenski standard je istoveten z: EN 1745:2020
ICS:
91.080.30 Zidane konstrukcije Masonry
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
SIST EN 1745:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 1745:2020

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SIST EN 1745:2020


EN 1745
EUROPEAN STANDARD

NORME EUROPÉENNE

July 2020
EUROPÄISCHE NORM
ICS 91.080.30; 91.120.10 Supersedes EN 1745:2012
English Version

Masonry and masonry products - Methods for determining
thermal properties
Maçonnerie et éléments de maçonnerie - Méthodes Mauerwerk und Mauerwerksprodukte - Verfahren zur
pour la détermination des propriétés thermiques Bestimmung von wärmeschutztechnischen
Eigenschaften
This European Standard was approved by CEN on 17 May 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1745:2020 E
worldwide for CEN national Members.

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SIST EN 1745:2020
EN 1745:2020 (E)
Contents Page
European foreword. 4
Introduction . 5
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and symbols . 9
3.1 Terms and definitions . 9
3.2 Symbols .10
4 Determination of λ10,dry, unit –values for solid masonry units and λ10,dry,mor –values
for mortars .11
4.1 General .11
4.2 λ –values for solid masonry units and mortars .12
10,dry, mat
4.2.1 Method S1. Determination of λ –values from tabulated λ /net dry
10,dry,unit 10,dry,mat
density relationship .12
4.2.2 Method S2. Determination of λ –values based on λ /net dry density
10,dry,unit 10,dry,mat
curve .12
4.2.3 Method S3. Determination of
...