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Window-wall interface details to evaluate the risk of condensation on box windows

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Abstract
The development of alternative details to manage water intrusion at the window-wall interface has produced a number of novel approaches to detailing the interface between the window and adjacent wall assembly. Many of these approaches advocate the need to provide drainage at the rough opening of the window subsill given that the window components themselves are susceptible to water entry over their expected life. Depending on the types of windows used and the cladding into which the windows are installed, there arise different methods to provide drainage that may also affect air leakage through the assembly. This in turn may give rise to the formation of condensation along the window at the sill or along the window sash and glazing panels. Hence there is a need to determine if, under cold weather conditions, specific interface details that incorporate sill pans provide potential for condensation on the window components in which air leakage paths may be prominent at the sill or elsewhere on the window assembly. The paper reports on a laboratory evaluation of conditions suitable for the formation of condensation at the window frame perimeter of the interface assembly as a function of both temperature differential and pressure difference across the test assembly. A summary of the laboratory test protocol is provided that includes a description of the test set-up and apparatus, fabrication details of the specimen and information on instrumentation and calibration and experimental results for one type of window (box window).

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Citation

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MLA
Maref, Wahid, et al. “Window-Wall Interface Details to Evaluate the Risk of Condensation on Box Windows.” RESEARCH ON BUILDING PHYSICS, edited by Dariusz Gawin and Tomasz Kisilewicz, Technical University of Lodz, 2010, pp. 215–22.
APA
Maref, W., Armstrong, M., Lacasse, M., Elmahdy, H., Glazer, R., & Van Den Bossche, N. (2010). Window-wall interface details to evaluate the risk of condensation on box windows. In D. Gawin & T. Kisilewicz (Eds.), RESEARCH ON BUILDING PHYSICS (pp. 215–222). Lodz, Poland: Technical University of Lodz.
Chicago author-date
Maref, Wahid, Marianne Armstrong, Michael Lacasse, Hakim Elmahdy, Rock Glazer, and Nathan Van Den Bossche. 2010. “Window-Wall Interface Details to Evaluate the Risk of Condensation on Box Windows.” In RESEARCH ON BUILDING PHYSICS, edited by Dariusz Gawin and Tomasz Kisilewicz, 215–22. Lodz, Poland: Technical University of Lodz.
Chicago author-date (all authors)
Maref, Wahid, Marianne Armstrong, Michael Lacasse, Hakim Elmahdy, Rock Glazer, and Nathan Van Den Bossche. 2010. “Window-Wall Interface Details to Evaluate the Risk of Condensation on Box Windows.” In RESEARCH ON BUILDING PHYSICS, ed by. Dariusz Gawin and Tomasz Kisilewicz, 215–222. Lodz, Poland: Technical University of Lodz.
Vancouver
1.
Maref W, Armstrong M, Lacasse M, Elmahdy H, Glazer R, Van Den Bossche N. Window-wall interface details to evaluate the risk of condensation on box windows. In: Gawin D, Kisilewicz T, editors. RESEARCH ON BUILDING PHYSICS. Lodz, Poland: Technical University of Lodz; 2010. p. 215–22.
IEEE
[1]
W. Maref, M. Armstrong, M. Lacasse, H. Elmahdy, R. Glazer, and N. Van Den Bossche, “Window-wall interface details to evaluate the risk of condensation on box windows,” in RESEARCH ON BUILDING PHYSICS, Cracow ; Lodz, Poland, 2010, pp. 215–222.
@inproceedings{1045876,
  abstract     = {{The development of alternative details to manage water intrusion at the window-wall interface has produced a number of novel approaches to detailing the interface between the window and adjacent wall assembly. Many of these approaches advocate the need to provide drainage at the rough opening of the window subsill given that the window components themselves are susceptible to water entry over their expected life. Depending on the types of windows used and the cladding into which the windows are installed, there arise different methods to provide drainage that may also affect air leakage through the assembly. This in turn may give rise to the formation of condensation along the window at the sill or along the window sash and glazing panels. Hence there is a need to determine if, under cold weather conditions, specific interface details that incorporate sill pans provide potential for condensation on the window components in which air leakage paths may be prominent at the sill or elsewhere on the window assembly. The paper reports on a laboratory evaluation of conditions suitable for the formation of condensation at the window frame perimeter of the interface assembly as a function of both temperature differential and pressure difference across the test assembly. A summary of the laboratory test protocol is provided that includes a description of the test set-up and apparatus, fabrication details of the specimen and information on instrumentation and calibration and experimental results for one type of window (box window).}},
  author       = {{Maref, Wahid and Armstrong, Marianne and Lacasse, Michael and Elmahdy, Hakim and Glazer, Rock and Van Den Bossche, Nathan}},
  booktitle    = {{RESEARCH ON BUILDING PHYSICS}},
  editor       = {{Gawin, Dariusz and Kisilewicz, Tomasz}},
  isbn         = {{9788372833679}},
  language     = {{eng}},
  location     = {{Cracow ; Lodz, Poland}},
  pages        = {{215--222}},
  publisher    = {{Technical University of Lodz}},
  title        = {{Window-wall interface details to evaluate the risk of condensation on box windows}},
  year         = {{2010}},
}

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