Experimental Verification of Thermal Insulation in Timber Framed Walls

Current environmental crisis calls for sustainable solutions in the building industry. One of the possible solutions is to incorporate timber-framed constructions into designs. Among other benefits, these structures are well established in many countries, originating in traditional building systems....

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Bibliographic Details
Published in:Materials 2022-03, Vol.15 (6), p.2040
Main Authors: Michálková, Daniela, Ďurica, Pavol
Format: Article
Language:English
Subjects:
Boundary conditions
Construction industry
Heat conductivity
Heat transfer
Humidity
Insulation
Laboratories
Moisture content
Moisture effects
Thermal conductivity
Thermal insulation
Timber construction
Timber framed
Walls
Wood fibers
Wool
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Summary:Current environmental crisis calls for sustainable solutions in the building industry. One of the possible solutions is to incorporate timber-framed constructions into designs. Among other benefits, these structures are well established in many countries, originating in traditional building systems. This paper focuses on experimental timber-frame walls. Different wall assemblies vary in thermal insulation materials and their combinations. We investigated ten experimental wall structures that have been exposed to natural external boundary conditions since 2015. The emphasis was on their state in terms of visual deterioration, mass moisture content, and thermal conductivity coefficient. We detected several issues, including defects caused by inappropriate realization, causing local moisture increase. Material settlement in loose-fill thermal insulation was another issue. Concerning was a significant change in the thermal conductivity of wood fiber insulation, where the current value almost doubled in one case compared to the design value determined by the producer.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15062040