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BS EN 1745:2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Masonry and masonry products. Methods for determining thermal properties

Available format(s)

Hardcopy , PDF

Superseded date

28-07-2020

Superseded by

BS EN 1745:2020

Language(s)

English

Published date

30-04-2012

£298.00
Excluding VAT

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Procedures to determine lambda[10,dry, unit]-values
   for solid masonry units and lambda[10,dry, mor]-values
   for mortars
5 Procedures to determine equivalent
   lambda[10,dry, unit]-values for masonry units
   with formed voids and composite masonry units
6 Moisture conversion
7 Procedures to determine design thermal values
   (R[design,mas] or lambda[design, 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 lambda-values for masonry
Annex A (normative) - Tabulated lambda[10,dry, mat]-values
        of materials used for masonry products
Annex B (informative) - R[dry,mas]- or
        lambda[10,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) - Evaluation of conformity
Annex F (informative) - Alternative procedure for
        the moisture correction of units with
        formed voids
Bibliography

Defines procedures for the determination of thermal properties of masonry and masonry products.

Committee
B/519
DevelopmentNote
Supersedes 94/110941 DC (07/2002) Supersedes 10/30228898 DC. (05/2012)
DocumentType
Standard
Pages
80
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

This European Standard specifies procedures for the determination of thermal properties of masonry and masonry products.

Standards Relationship
ONORM EN 1745 : 2012 Identical
UNI EN 1745 : 2012 Identical
UNE-EN 1745:2013 Identical
NS EN 1745 : 2012 Identical
NBN EN 1745 : 2012 Identical
I.S. EN 1745:2012 Identical
DIN EN 1745:2012-07 Identical
EN 1745:2012 Identical
NEN EN 1745 : 2012 Identical
NF EN 1745 : 2012 Identical
SN EN 1745 : 2012 Identical

08/30168066 DC : DRAFT MAR 2008 BS 6073-2 - PRECAST CONCRETE MASONRY UNITS - PART 2: METHOD FOR SPECIFYING PRECAST CONCRETE MASONRY UNITS
BS 6073-2:2008 Precast concrete masonry units Guide for specifying precast concrete masonry units
PD 6678:2005 Guide to the specification of masonry mortar

ISO 10211:2017 Thermal bridges in building construction — Heat flows and surface temperatures — Detailed calculations
EN 1936:2006 Natural stone test methods - Determination of real density and apparent density, and of total and open porosity
EN 1934:1998 Thermal performance of buildings - Determination of thermal resistance by hot box method using heat flow meter - Masonry
EN ISO 6946:2017 Building components and building elements - Thermal resistance and thermal transmittance - Calculation methods (ISO 6946:2017, Corrected version 2021-12)
EN 772-16:2011 Methods of test for masonry units - Part 16: Determination of dimensions
EN ISO 10211:2017 Thermal bridges in building construction - Heat flows and surface temperatures - Detailed calculations (ISO 10211:2017)
EN 772-3:1998 Methods of test for masonry units - Part 3: Determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing
EN 12664:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
ISO 10456:2007 Building materials and products — Hygrothermal properties — Tabulated design values and procedures for determining declared and design thermal values
ISO 6946:2017 Building components and building elements — Thermal resistance and thermal transmittance — Calculation methods
EN 772-4:1998 Methods of test for masonry units - Part 4: Determination of real and bulk density and of total and open porosity for natural stone masonry units
ISO 7345:1987 Thermal insulation Physical quantities and definitions
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)

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