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Watertightness of window frames: experience of notified bodies

Nathan Van Den Bossche (UGent) , Arnold Janssens (UGent) and Jan Moens (UGent)
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Abstract
The research facility for testing building envelope elements at Ghent University has been testing the air- and watertightness of windows for over 30 years. As a certified lab a lot of tests are done for the industry according to standard procedures. This paper presents the results and analysis of about 200 tests that were carried out throughout the last 10 years. Is the overall performance of the window correlated with the construction material? And does a good airtightness guarantee a corresponding watertightness? All too often the test samples delivered by the industry are an exception to the rule: while a grade A window is delivered to the lab, poor quality is general practice. Clients, architects and contractors need clear-cut specifications concerning performance assessment in order to obtain a high-quality product, and if there are apparent indications of defects or flaws the specifications should provide the possibility to put a randomly chosen window to the test. Based on the experience of the test lab as notified body guidelines for quality management in low-rise and high-rise buildings are developed.
Keywords
pressure equalisation, CE-marking, airtightness, window frames, watertightness

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Citation

Please use this url to cite or link to this publication:

MLA
Van Den Bossche, Nathan, et al. “Watertightness of Window Frames: Experience of Notified Bodies.” International Building Physics Conference, 4th, Proceedings, edited by NT Bayazit, Istanbul Technical University, 2009, pp. 369–75.
APA
Van Den Bossche, N., Janssens, A., & Moens, J. (2009). Watertightness of window frames: experience of notified bodies. In N. Bayazit (Ed.), International Building Physics Conference, 4th, Proceedings (pp. 369–375). Istanbul, Turkey: Istanbul Technical University.
Chicago author-date
Van Den Bossche, Nathan, Arnold Janssens, and Jan Moens. 2009. “Watertightness of Window Frames: Experience of Notified Bodies.” In International Building Physics Conference, 4th, Proceedings, edited by NT Bayazit, 369–75. Istanbul, Turkey: Istanbul Technical University.
Chicago author-date (all authors)
Van Den Bossche, Nathan, Arnold Janssens, and Jan Moens. 2009. “Watertightness of Window Frames: Experience of Notified Bodies.” In International Building Physics Conference, 4th, Proceedings, ed by. NT Bayazit, 369–375. Istanbul, Turkey: Istanbul Technical University.
Vancouver
1.
Van Den Bossche N, Janssens A, Moens J. Watertightness of window frames: experience of notified bodies. In: Bayazit N, editor. International Building Physics Conference, 4th, Proceedings. Istanbul, Turkey: Istanbul Technical University; 2009. p. 369–75.
IEEE
[1]
N. Van Den Bossche, A. Janssens, and J. Moens, “Watertightness of window frames: experience of notified bodies,” in International Building Physics Conference, 4th, Proceedings, Istanbul, Turkey, 2009, pp. 369–375.
@inproceedings{762877,
  abstract     = {{The research facility for testing building envelope elements at Ghent University has been testing the air- and watertightness of windows for over 30 years. As a certified lab a lot of tests are done for the industry according to standard procedures. This paper presents the results and analysis of about 200 tests that were carried out throughout the last 10 years. Is the overall performance of the window correlated with the construction material? And does a good airtightness guarantee a corresponding watertightness?
All too often the test samples delivered by the industry are an exception to the rule: while a grade A window is delivered to the lab, poor quality is general practice. Clients, architects and contractors need clear-cut specifications concerning performance assessment in order to obtain a high-quality product, and if there are apparent indications of defects or flaws the specifications should provide the possibility to put a randomly chosen window to the test. Based on the experience of the test lab as notified body guidelines for quality management in low-rise and high-rise buildings are developed.}},
  author       = {{Van Den Bossche, Nathan and Janssens, Arnold and Moens, Jan}},
  booktitle    = {{International Building Physics Conference, 4th, Proceedings}},
  editor       = {{Bayazit, NT}},
  isbn         = {{978-975-561-350-5}},
  keywords     = {{pressure equalisation,CE-marking,airtightness,window frames,watertightness}},
  language     = {{eng}},
  location     = {{Istanbul, Turkey}},
  pages        = {{369--375}},
  publisher    = {{Istanbul Technical University}},
  title        = {{Watertightness of window frames: experience of notified bodies}},
  year         = {{2009}},
}