This page lists the Proceedings (titles and abstracts) of the fourth International BUILDAIR Symposium on Building and Ductwork Airtightness, 1-2 October 2009, in Berlin, Germany.

Contains 22 titles and abstracts.

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This paper investigates the practical feasibility of an exterior air barrier for the construction of a recently constructed light weight passive house in Ghent, Belgium.
J. Langmans, R.Klein, P. Eykens, M. De Paepe, S.Roels
As we increase energy requirements on ventilation, it is essential to assess the real performance of these systems on site, both for energy savings and IAQ aspects.Applied on two new buildings located in Paris and near Lyon (France), "Performance"
Jean-Luc Savin, Anne-Marie Bernard
Already in the year 1983, the general basis paper for noting air tightness, which was elaborated by the Swedish construction council for the AIVC, pointed to the particular risk of moisture stresses in consequence of water vapor carriage due to ai
R. Borsch-Laaks, D. Zirkelbach, H.M. Künzel, B. Schafaczek
From the year 2007 the buildings must have energy efficiency calculations, which requirements arenow part of Building Code Book.
T. Kauppinen, K. Kovanen, T. Ojanen, J. Laamanen, E. Vähäsöyrinki, I. Kouhia
The combination of air tightness measurements and thermography introduces new application areas for both practices: the building thermography will be extended by a systematic leakage locating in the building envelope and during air tightness measu
Stefanie Rolfsmeier
Although there have been built about 20 sports halls with passive house standards by now, where the principles of residential houses and first experiences of built sports hall projects were used, but concerning the principles, there are still cons
Oliver Kah, Jürgen Schnieders
There is increasing recognition of the importance of quantifying the airtightness of large commercialand residential buildings. Often these tests must be performed with multiple fans and technicians,usually within a narrow time window.
C. Olson, G. Nelson, S. Rolfsmeier
There are currently at least 6 national and European standards in Germany, which describe the assessment of infiltration- and exfiltration-volume flows subject to building air tightness.
Joachim Zeller
With the background of different climates within Norway it was interesting to show the resulting differences in energy demand for the same typical office building.
M. Haase, I. Andresen, B. Time, A.G. Hestnes
In this work the air leakage database of French single family dwellings, available at the CETE de Lyon (Centre d’Études Techniques de L’Équipement), has been analysed.
Maria Isabel Montoya, François Rémi Carrié, Gaëlle Guyot, Eulàlia Planas
Experiences of the past years showed that it is possible to achieve a considerably better air flow rate in large buildings than it is targeted by the regulation of energy saving.
Paul Simons, Stefanie Rolfsmeier
Two studies have recently been performed to evaluate the current form of the Delta-Q test for duct leakage. In the first study 19 new homes in Wisconsin, USA were tested, and in the other 14 existing homes in Central Illinois, USA were measured.
P. W. Francisco, S. Pigg, C. Olson
The airtight version of a building envelope has been accepted as a structural engineering challenge in by construction workers in Germany.
Ulf Köpcke
The airtightness of office buildings influences energy use and thermal comfort. A leaky office buildingis likely to have a high use of energy and thermal discomfort.
Å. Blomsterberg
Attic moisture control is one of the key issues addressed by the hygrothermal design of wood-frame houses. In general, exfiltration and natural ventilation are recognized as the main factors in determining the hygrothermal behaviour of an attic.
H. Saito, Y. Honma, H. Miura
Air tightness of the building envelope contains important initial data for hygrothermal design and energy calculation.
T. Kalamees, E. Arumägi, M. Tähiste
When two adjacent residential buildings in Ludwigshafen were fully renovated in 2005/2006, energyefficiency was a focal point from the very beginning.
Søren Peper
So far, the ideal-tight typical cross section is usually considered at the evaluation of constructions with the help of hygrothermal simulation.
D. Zirkelbach, H.M. Künzel, B. Schafaczek, R. Borsch-Laaks
The developed method uses Radon as natural tracergas, which appears everywhere in the nature hence in all buildings as well.
Wolfgang Horn
The basic statistics of airtightness test results collected since 2002 in the Czech Republic arepresented. The test results are compared with the limit values according to national standard CSN 730540-2.
J. Novak, J. Tywoniak

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