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Hygrothermal Performance of Wood Shavings as Thermal Insulation of Exterior Walls in Cold Climate
https://orcid.org/http://orcid.org/0000-0001-8352-8692
https://orcid.org/http://orcid.org/0000-0003-2426-4687
Natural materials such as wood shavings can be used as thermal insulation and can offer considerable potential in reduction of carbon footprint of buildings. Test structures with loose-fill wood shavings were studied in the Finnish research project ECOSAFE. Field measurement data is utilized in this paper in the evaluation of hygrothermal model where temperature-dependent and hysteretic sorption is included for wooden materials. In addition to test structure comparisons, the model is used for hygrothermal performance analysis of two structures by using moisture design years as boundary conditions. Finnish mould model is used in the post-processing of the results. Comparison of the field measurements and the simulations shows that the sophisticated hygrothermal model improves visibly the accuracy of modelling in certain situations and it predicts somewhat better performance for the studied structures in contemporary and future climate. According to the results, exterior walls can be safely insulated thermally with wood shavings, but the structures should have adequate vapor retarder layer to increase the moisture-safety.
Hygrothermal Performance of Wood Shavings as Thermal Insulation of Exterior Walls in Cold Climate
https://orcid.org/http://orcid.org/0000-0001-8352-8692
https://orcid.org/http://orcid.org/0000-0003-2426-4687
Natural materials such as wood shavings can be used as thermal insulation and can offer considerable potential in reduction of carbon footprint of buildings. Test structures with loose-fill wood shavings were studied in the Finnish research project ECOSAFE. Field measurement data is utilized in this paper in the evaluation of hygrothermal model where temperature-dependent and hysteretic sorption is included for wooden materials. In addition to test structure comparisons, the model is used for hygrothermal performance analysis of two structures by using moisture design years as boundary conditions. Finnish mould model is used in the post-processing of the results. Comparison of the field measurements and the simulations shows that the sophisticated hygrothermal model improves visibly the accuracy of modelling in certain situations and it predicts somewhat better performance for the studied structures in contemporary and future climate. According to the results, exterior walls can be safely insulated thermally with wood shavings, but the structures should have adequate vapor retarder layer to increase the moisture-safety.
Hygrothermal Performance of Wood Shavings as Thermal Insulation of Exterior Walls in Cold Climate
https://orcid.org/http://orcid.org/0000-0001-8352-8692
https://orcid.org/http://orcid.org/0000-0003-2426-4687
Natural materials such as wood shavings can be used as thermal insulation and can offer considerable potential in reduction of carbon footprint of buildings. Test structures with loose-fill wood shavings were studied in the Finnish research project ECOSAFE. Field measurement data is utilized in this paper in the evaluation of hygrothermal model where temperature-dependent and hysteretic sorption is included for wooden materials. In addition to test structure comparisons, the model is used for hygrothermal performance analysis of two structures by using moisture design years as boundary conditions. Finnish mould model is used in the post-processing of the results. Comparison of the field measurements and the simulations shows that the sophisticated hygrothermal model improves visibly the accuracy of modelling in certain situations and it predicts somewhat better performance for the studied structures in contemporary and future climate. According to the results, exterior walls can be safely insulated thermally with wood shavings, but the structures should have adequate vapor retarder layer to increase the moisture-safety.
Hygrothermal Performance of Wood Shavings as Thermal Insulation of Exterior Walls in Cold Climate
Lecture Notes in Civil Engineering
Berardi, Umberto (editor) / Huttunen, Petteri (author) / Vinha, Juha (author)
International Association of Building Physics ; 2024 ; Toronto, ON, Canada
2024-12-06
12 pages
Article/Chapter (Book)
Electronic Resource
English
Hygrothermal Performance of Exterior Walls in Cold Climate: A Field Study
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