Title: The influence of structural floors on the airtightness of wood-frame houses
Authors: Relander, Thor-Oskar ×
Bauwens, Geert
Roels, Staf
Thue, Jan Vincent
Uvslokk, Sivert #
Issue Date: 2011
Publisher: Elsevier Sequoia S.A.
Series Title: Energy and Buildings vol:43 issue:2-3 pages:639-652
Abstract: Energy use in buildings has come more into focus in recent years. An airtight building envelope with a low infiltration is a definite prerequisite to achieve an energy efficient building. Recently the Norwegian airtightness requirements have become stricter. This leads to an increased focus on airtight constructions and methods. Platform constructed structural floors are widely used in Norway. Air leakages are frequently observed in connection with structural floors, both at the wall/floor and wall/ceiling junction and as leakages into the floor or into the ceiling. This article discusses the importance of the leakages in platform constructed structural floors on the airtightness of wood-frame houses. This is done by laboratory measurements of vapour barriers and wind-barriers mounted on a wall with structural floor beams.
The results show that the airtightness performance of the vapour barrier can be made almost as good as the wind-barrier. However, this is quite labour-intensive. With a properly mounted wind-barrier, the influence of the structural floors on the airtightness of a wood-frame house can be made negligible.
ISSN: 0378-7788
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Building Physics Section
× corresponding author
# (joint) last author

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