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Performances of highly insulated compact zinc roofs under a humid-moderate climate, part I: hygrothermal behavior

R Zheng, Arnold Janssens UGent, J Carmeliet, W Bogaerts and H Hens (2010) JOURNAL OF BUILDING PHYSICS. 34(2). p.178-191
abstract
Four flat compact zinc roofs with a U-value less than 0.25 W/(m(2) K) were investigated under a humid-moderate climate. Two roofs had a heavyweight deck, the other two a lightweight deck. The heavyweight roofs exhibited a satisfactory thermal behavior. The small amount of moisture accumulation in the insulation did not result in a measurable degradation of thermal quality of the zinc roofs. It was found that the moisture situation at the sheeting underside was much better in the heavyweight roofs than in the lightweight roofs. However, in the heavyweight roof with a perfect air-vapor retarder, a large number of wetting/drying cycles at the sheeting underside were measured in winter. Strong sheeting undercooling was also observed in the four roofs during the test period. The results show that it is possible to build low U-value compact zinc roofs with a perfect thermal performance.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
under cooling, REGION, moisture content, condensation, thermal resistance, metallic roofs
journal title
JOURNAL OF BUILDING PHYSICS
J. Build Phys.
volume
34
issue
2
pages
178 - 191
Web of Science type
Article
Web of Science id
000283044000005
JCR category
CONSTRUCTION & BUILDING TECHNOLOGY
JCR impact factor
0.571 (2010)
JCR rank
29/53 (2010)
JCR quartile
3 (2010)
ISSN
1744-2591
DOI
10.1177/1744259110370849
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1202103
handle
http://hdl.handle.net/1854/LU-1202103
date created
2011-04-05 11:25:28
date last changed
2016-12-19 15:38:01
@article{1202103,
  abstract     = {Four flat compact zinc roofs with a U-value less than 0.25 W/(m(2) K) were investigated under a humid-moderate climate. Two roofs had a heavyweight deck, the other two a lightweight deck. The heavyweight roofs exhibited a satisfactory thermal behavior. The small amount of moisture accumulation in the insulation did not result in a measurable degradation of thermal quality of the zinc roofs. It was found that the moisture situation at the sheeting underside was much better in the heavyweight roofs than in the lightweight roofs. However, in the heavyweight roof with a perfect air-vapor retarder, a large number of wetting/drying cycles at the sheeting underside were measured in winter. Strong sheeting undercooling was also observed in the four roofs during the test period. The results show that it is possible to build low U-value compact zinc roofs with a perfect thermal performance.},
  author       = {Zheng, R and Janssens, Arnold and Carmeliet, J and Bogaerts, W and Hens, H},
  issn         = {1744-2591},
  journal      = {JOURNAL OF BUILDING PHYSICS},
  keyword      = {under cooling,REGION,moisture content,condensation,thermal resistance,metallic roofs},
  language     = {eng},
  number       = {2},
  pages        = {178--191},
  title        = {Performances of highly insulated compact zinc roofs under a humid-moderate climate, part I: hygrothermal behavior},
  url          = {http://dx.doi.org/10.1177/1744259110370849},
  volume       = {34},
  year         = {2010},
}

Chicago
Zheng, R, Arnold Janssens, J Carmeliet, W Bogaerts, and H Hens. 2010. “Performances of Highly Insulated Compact Zinc Roofs Under a Humid-moderate Climate, Part I: Hygrothermal Behavior.” Journal of Building Physics 34 (2): 178–191.
APA
Zheng, R., Janssens, A., Carmeliet, J., Bogaerts, W., & Hens, H. (2010). Performances of highly insulated compact zinc roofs under a humid-moderate climate, part I: hygrothermal behavior. JOURNAL OF BUILDING PHYSICS, 34(2), 178–191.
Vancouver
1.
Zheng R, Janssens A, Carmeliet J, Bogaerts W, Hens H. Performances of highly insulated compact zinc roofs under a humid-moderate climate, part I: hygrothermal behavior. JOURNAL OF BUILDING PHYSICS. 2010;34(2):178–91.
MLA
Zheng, R, Arnold Janssens, J Carmeliet, et al. “Performances of Highly Insulated Compact Zinc Roofs Under a Humid-moderate Climate, Part I: Hygrothermal Behavior.” JOURNAL OF BUILDING PHYSICS 34.2 (2010): 178–191. Print.