Moisture attack on insulations in protected membrane roofing

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TypeArticle
Pages110; # of pages: 10
SubjectRoofing; thermal insulation; roofs; moisture content; protection; Snow and Ice loads
AbstractThermal insulation in protected membrane roofing may be exposed to rain and snow. Outdoor experiments with roofing insulations, including some polystyrenes, polyurethanes, wood fibre, glass fibre and perlite-fibre, confirm the severity of the problem of moisture attack but indicate that protecting insulations by surface sealing and providing for moisture escape by evaporation and drainage may keep moisture contents of even some porous insulations at low levels.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-634
NRC number14590
2756
NPARC number20374211
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Record identifierb8a48ace-1ee2-4325-9790-19017a2c2e60
Record created2012-07-23
Record modified2016-05-09
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