Vapor problems in thermal insulation

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Journal titleHeating, Piping, Air Conditioning
Pages14; # of pages: 4
Subjectthermal insulation; water vapour; air moisture transfer; Insulation
AbstractControl of the flow of water vapour so as to avoid condensation can be achieved without great difficulty in many applications of thermal insulation. Such control is needed for the proper functioning of thermal insulation and in order to avoid excessive deterioration of the adjacent construction as a result of wetting. The principles and practice are now well established for many situations but there are some which present special difficulties. Moisture migraton within materials and particularly the way in which this is related to temperature gradient and to heat flow require a great deal of further study and research before any great refinement in the prediction of moisture conditions within building constructions can be achieved.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number4920
NPARC number20378423
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Record identifier8ba31f29-8d69-4ed0-a49a-12ec7f1af005
Record created2012-07-24
Record modified2016-05-09
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