Effects of drying conditions, phase transformations, and carbonation reactions on measurements of sorption isotherms of building materials

Kenneth E. Wilkes, Jerry A. Atchley, Phillip W. Childs, Andre Desjarlais

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The sorption isotherm is one of the basic material properties used in hygrothermal modeling of building envelope performance. Measurement of this property is deceptively simple. Specimens are first dried and then exposed to a series of higher relative humidities to develop a curve of moisture content versus relative humidity at constant temperature. This paper discusses some confounding effects that we have observed while performing measurements on a number of common building materials. Materials studied included gypsum products, wood and wood products, and cementitious materials.

Original languageEnglish
Title of host publicationHeat-Air-Moisture Transport
Subtitle of host publicationMeasurements on Building Materials
PublisherASTM International
Pages45-54
Number of pages10
ISBN (Print)9780803134225
DOIs
StatePublished - 2007
Event1st Symposium on Heat-Air-Moisture Transport: Measurements on Building Materials - Toronto, ON, Canada
Duration: Apr 23 2006Apr 23 2006

Publication series

NameASTM Special Technical Publication
Volume1495 STP
ISSN (Print)0066-0558

Conference

Conference1st Symposium on Heat-Air-Moisture Transport: Measurements on Building Materials
Country/TerritoryCanada
CityToronto, ON
Period04/23/0604/23/06

Keywords

  • Cement
  • Gypsum
  • Hygrothermal properties
  • Sorption isotherm
  • Wood
  • Wood products

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