Unusual Deterioration of Bituminous Roofing Materials Under High Humidity

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TypeArticle
Journal titleBuilding Research Note
ISSN0701-5232
Volume63
Pages11
SubjectRoofs; Roofs
AbstractSamples of several bituminous roofing materials selected for examination as part of a roofing research program were left exposed to controlled high humidity conditions for approximately one year. A difference in relative humidity was maintained across the samples, one side being held at nearly 100 per cent. When the samples were removed from the permeability test cups, and it became possible to examine both sides of the specimens, it was noticed that unusual deterioration of the bituminous coating on the side with the higher humidity had occurred.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierBRN-63
NRC number6028
NPARC number20358810
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Record identifier73d12864-2de5-45a8-8b9a-f37950e035d5
Record created2012-07-20
Record modified2016-05-09
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