Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Värme- & fuktegenskaper hos biobaserade isoleringsmaterial : Heat & moisture characteristics of bio-based insulation materials

Palmgren, Oscar LU orcid (2019)
Abstract
To meet national and international emission targets, the Swedish building sector needs to drastically reduce its carbon dioxide emissions, and to do so, a change in building techniques and materials is needed. Bio-based materials contribute to less emissions than conventional materials, like steel and concrete, but remain rather unknown to modern building sciences. This study aimed to increase knowledge about these materials, by measuring heat and moisture characteristics
according to the Transient Plane Source method, the development of sorption isotherms, and finally simulating the impact of these materials on the
hygrothermal attributes of a building envelope, all in comparison to conventional mineral wool. It was found that... (More)
To meet national and international emission targets, the Swedish building sector needs to drastically reduce its carbon dioxide emissions, and to do so, a change in building techniques and materials is needed. Bio-based materials contribute to less emissions than conventional materials, like steel and concrete, but remain rather unknown to modern building sciences. This study aimed to increase knowledge about these materials, by measuring heat and moisture characteristics
according to the Transient Plane Source method, the development of sorption isotherms, and finally simulating the impact of these materials on the
hygrothermal attributes of a building envelope, all in comparison to conventional mineral wool. It was found that the biobased materials had a higher thermal conductivity and specific heat capacity, but lesser thermal diffusivity than mineral wool. They were also a lot more hygroscopic. Finally, it was concluded that these hygroscopic, biobased insulation materials could be used as an alternative for mineral wool in conventional Swedish building envelope systems, but were subject to mold and rot in more unconventional designs. (Less)
Abstract (Swedish)
To meet national and international emission targets, the Swedish building sector needs to drastically reduce its carbon dioxide emissions, and to do so, a change in building techniques and materials is needed. Bio-based materials contribute to less emissions than conventional materials, like steel and concrete, but remain rather unknown to modern building sciences. This study aimed to increase knowledge about these materials, by measuring heat and moisture characteristics according to the Transient Plane Source method, the development of sorption isotherms, and finally simulating the impact of these materials on the hygrothermal attributes of a building envelope, all in comparison to conventional mineral wool. It was found that the... (More)
To meet national and international emission targets, the Swedish building sector needs to drastically reduce its carbon dioxide emissions, and to do so, a change in building techniques and materials is needed. Bio-based materials contribute to less emissions than conventional materials, like steel and concrete, but remain rather unknown to modern building sciences. This study aimed to increase knowledge about these materials, by measuring heat and moisture characteristics according to the Transient Plane Source method, the development of sorption isotherms, and finally simulating the impact of these materials on the hygrothermal attributes of a building envelope, all in comparison to conventional mineral wool. It was found that the biobased materials had a higher thermal conductivity and specific heat capacity, but lesser thermal diffusivity than mineral wool. They were also a lot more hygroscopic. Finally, it was concluded that these hygroscopic, biobased insulation materials could be used as an alternative for mineral wool in conventional Swedish building envelope systems, but were subject to mold and rot in more unconventional designs. (Less)
Please use this url to cite or link to this publication:
author
organization
alternative title
Heat & moisture characteristics of bio-based insulation materials
publishing date
type
Other contribution
publication status
published
subject
keywords
Bio, Insulation, Hempfibre, Woodfibre, Mineral Wool, Heat, Moisture, TPS, Transient Plane Source, Heat Conductivity, Specific Heat Capacity, Sorption, Absorption
pages
61 pages
publisher
Lund University Publication
language
Swedish
LU publication?
yes
id
e8847ef4-eeb3-42c2-80e2-2bf376876271
alternative location
http://lup.lub.lu.se/student-papers/record/8991185
date added to LUP
2025-10-14 09:19:51
date last changed
2026-03-17 16:01:48
@misc{e8847ef4-eeb3-42c2-80e2-2bf376876271,
  abstract     = {{To meet national and international emission targets, the Swedish building sector needs to drastically reduce its carbon dioxide emissions, and to do so, a change in building techniques and materials is needed. Bio-based materials contribute to less emissions than conventional materials, like steel and concrete, but remain rather unknown to modern building sciences. This study aimed to increase knowledge about these materials, by measuring heat and moisture characteristics <br/>according to the Transient Plane Source method, the development of sorption isotherms, and finally simulating the impact of these materials on the <br/>hygrothermal attributes of a building envelope, all in comparison to conventional mineral wool. It was found that the biobased materials had a higher thermal conductivity and specific heat capacity, but lesser thermal diffusivity than mineral wool. They were also a lot more hygroscopic. Finally, it was concluded that these hygroscopic, biobased insulation materials could be used as an alternative for mineral wool in conventional Swedish building envelope systems, but were subject to mold and rot in more unconventional designs.}},
  author       = {{Palmgren, Oscar}},
  keywords     = {{Bio; Insulation; Hempfibre; Woodfibre; Mineral Wool; Heat; Moisture; TPS; Transient Plane Source; Heat Conductivity; Specific Heat Capacity; Sorption; Absorption}},
  language     = {{swe}},
  month        = {{08}},
  publisher    = {{Lund University Publication}},
  title        = {{Värme- & fuktegenskaper hos biobaserade isoleringsmaterial : Heat & moisture characteristics of bio-based insulation materials}},
  url          = {{http://lup.lub.lu.se/student-papers/record/8991185}},
  year         = {{2019}},
}