Long-Term Thermal Resistance of Polyisocyanurate Foam Insulation with Impermeable Facers

Mukhopadhyaya, Phalguni; Bomberg, Mark; Kumaran, M.K.; Drouin, Michel; Lackey, John; Reenen, David van; Normandin, Nicole

doi:10.1520/stp11024s

“…Later work, focused on evaluating surface barriers, benchmarked the 2-D form of the DIPAC model against experimental data. This project was only able to get agreement by tweaking a lateral diffusion parameter, but there were questions regarding experimental factors in that work [Mukhopadhyaya et al 2004]. …”

Section: Modeling Capabilitiesmentioning

confidence: 99%

Closed Cell Foam Insulation: A Review of Long Term Thermal Performance Research

Stovall¹

2012

4

0

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“…The thermal conductivity of most of the commonly used blowing agents is lower than half of the thermal conductivity of air. The researchers at the National Research Council (NRC) Canada, Institute for Research in Construction (IRC) have been working on the performance of closed-cell foam insulation for more than 15 years now (Kumaran et al 1989;Bomberg and Kumaran, 1991;Mukhopadhyaya et al 2004). This research effort has so far culminated to the development of a standard test method for determination of long-term thermal resistance (LTTR) of closed-cell thermal insulating foams (CAN/ULC-S770).…”

Section: High Performance Thermal Insulationmentioning

confidence: 99%

High-Performance Vacuum Insulation Panel: Development of Alternative Core Materials

Mukhopadhyaya

¹

,

Kumaran

²

,

Normandin

³

et al. 2008

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/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1061/(ASCE) 0887-381X(2008)22:4(103) Journal of Cold Regions Engineering, 22, 4, pp. 103-123, 2008-12-01 High performance vacuum insulation panel: development of alternative core materials Mukhopadhyaya, P.; Kumaran, M. K.; Normandin, N.; van Reenen, D.; Lackey, J. C. 2008-11-19A version of this document is published in / Une version de ce document se trouve dans: Journal of Cold Regions Engineering, v. 22, no. 4, 2008, pp. 103-123 The material in this document is covered by the provisions of the Copyright Act, by Canadian laws, policies, regulations and international agreements. Such provisions serve to identify the information source and, in specific instances, to prohibit reproduction of materials without written permission. Construction (IRC) is investigating a number of fundamental aspects related to the performance and construction of VIP, which this paper discusses. More specifically, it reviews the underlying basics behind the functioning of VIPs and presents results from the investigation into the development of alternative core materials for VIP construction.

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“…It is also to be remembered here that polyiso boards do age (i.e. reduction in thermal resistance) naturally [11][12][13] due to outward diffusion of blowing agent and intrusion of air into the closed foam cells.…”

Section: Thermal Resistancementioning

confidence: 99%

Critical Evaluation of Existing Specifications for Polyisocyanurate (ISO) Foam Insulation Boards in Roofing Applications

Mukhopadhyaya¹,

Baskaran²,

Normandin³

et al. 2007

Journal of ASTM International

2

0

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/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.1520/JAI101229Journal of ASTM International, 4, 10, pp. 1-10, 2007-11-01 Critical evaluation of existing specifications for polyisocyanurate (ISO) foam insulation boards in roofing applications Mukhopadhyaya, P.; Baskaran, B. A.; Normandin, N.; Lackey, J. C.; Evoniak, S.http://irc.nrc-cnrc.gc.ca Critical evaluation of existing specifications for polyisocyanurate (ISO) foam insulation boards in roofing applications NRCC-50079Mukhopadhyaya, P.; Baskaran, B.; Normandin, N.; Lackey, J.; Evoniak, S.A version of this document is published in / Une version de ce document se trouve dans: Journal of ASTM International, v. 4, no. 10, Nov/Dec. 2007, pp. 1-10 The material in this document is covered by the provisions of the Copyright Act, by Canadian laws, policies, regulations and international agreements. Such provisions serve to identify the information source and, in specific instances, to prohibit reproduction of materials without written permission. For more information visit http://laws.justice.gc.ca/en/showtdm/cs/C-42Les renseignements dans ce document sont protégés par la Loi sur le droit d'auteur, par les lois, les politiques et les règlements du Canada et des accords internationaux. Ces dispositions permettent d'identifier la source de l'information et, dans certains cas, d'interdire la copie de documents sans permission écrite. Pour obtenir de plus amples renseignements : http://lois.justice.gc.ca/fr/showtdm/cs/C-42 information and consensus at the time of drafting and balloting of the ASTM standard. Nevertheless, the standard gets updated and revised when more credible data are available that solicits revisions of the current standard. This paper presents experimental results from an ongoing pilot research study that critically evaluates the ASTM C1289-02 specification requirements for the ISO on three engineering properties: (1) dimensional stability, (2) thermal resistance and (3) compressive strength. Preliminary results from this study reveal many unknown phenomena, particularly regarding the dimensional stability and compressive strength of ISO boards.

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Long-Term Thermal Resistance of Polyisocyanurate Foam Insulation with Impermeable Facers

Cited by 13 publications

References 8 publications

Closed Cell Foam Insulation: A Review of Long Term Thermal Performance Research

Closed Cell Foam Insulation: A Review of Long Term Thermal Performance Research

High-Performance Vacuum Insulation Panel: Development of Alternative Core Materials

Critical Evaluation of Existing Specifications for Polyisocyanurate (ISO) Foam Insulation Boards in Roofing Applications

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