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BS EN ISO 12572:2001

Current
Current

The latest, up-to-date edition.

Hygrothermal performance of building materials and products. Determination of water vapour transmission properties
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-15-2001

Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols, units and subscripts
4 Principle
5 Apparatus
6 Test specimens
7 Procedure
8 Calculation and expression of results
9 Accuracy of measurement
10 Test report
Annex A (normative) - Methods suitable for self-
        supporting materials
Annex B (normative) - Methods suitable for loose fills
Annex C (normative) - Methods suitable for membranes
        and foils
Annex D (normative) - Methods suitable for mastics and
        sealants
Annex E (normative) - Methods suitable for paint, varnishes, etc
Annex F (normative) Correction for the effect of a masked
        edge of a specimen
Annex G (normative) - Correction for resistance of air layers
Annex H (normative) - Method for calculating the water vapour
        resistance of the air layer in the cup
Annex I (informative) - Weighing repeatability, weighing
        interval and specimen size needed to achieve desired
        accuracy
Annex J (informative) - Conversion table for water vapour
        transmission units
Bibliography

Provides a method based on cup tests for determining the water vapour permeance of building products and the water vapour permeability of building materials under isothermal conditions.

Committee
B/540
DevelopmentNote
Supersedes 97/105723 DC (03/2005) Supersedes 14/30294356 DC. (09/2016)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Current
SupersededBy
Supersedes

BS 5250:2002 Code of practice for control of condensation in buildings
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
BS 5250(2011) : 2011 CODE OF PRACTICE FOR CONTROL OF CONDENSATION IN BUILDINGS

ISO 9346:2007 Hygrothermal performance of buildings and building materials — Physical quantities for mass transfer — Vocabulary
ISO 12571:2013 Hygrothermal performance of building materials and products Determination of hygroscopic sorption properties
ISO 15148:2002 Hygrothermal performance of building materials and products Determination of water absorption coefficient by partial immersion
ISO 12570:2000 Hygrothermal performance of building materials and products — Determination of moisture content by drying at elevated temperature

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