The Effect of Increased Insulation on Exposed Bituminous Roofing Membranes

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DOIResolve DOI: http://doi.org/10.4224/20378563
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TypeArticle
Journal titleBuilding Practice Note, Institute for Research in Construction, National Research Council Canada
ISSN0701-5216
Volume4
Pages7
SubjectRoofing; insulating products; thermal resistance; roofing products; stresses; roofs; Roofs; Snow and Ice loads
AbstractConcern has been expressed that increasing the amount of insulation to improve the thermal resistance of conventional roofing systems might adversely affect the performance of the membrane. Lower membrane temperatures caused by increased thermal resistance could induce higher stresses in the membrane, thus increasing the incidence of splitting failures. It is also feared that additional insulation could result in larger stresses in roofing membranes partially covered with snow. This Note evaluates the possible effects of increasing the amount of insulation on roofs.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAussi disponible en francais: L'Effect de l' augmentation isolant thermique sur les membranes de couverture bitumineuses exposées
Peer reviewedNo
IdentifierBPN-4
NRC number1309
NPARC number20378563
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Record identifier64ca78f7-2ba7-493a-9315-331c15bc9cc2
Record created2012-07-24
Record modified2016-05-09
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