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Airtightness of the window-wall interface in wood-frame walls

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Abstract
Due to the increased focus on airtightness in the current building practice, a better understanding of air leakage rates through different building components and building interfaces is required. This paper investigates the airtightness of the window-wall interface in wood-frame constructions through a literature review and experimental study. Different wall setups, window installation methods and air sealing solutions were tested resulting in 20 different configurations. Air leakages rates ranging from 0.00 up to 3.66 m3/h.m at 50 Pa are measured and recommended configurations and installation techniques are discussed. The results show that a passive house level airtightness is achievable when using spray-in-place polyurethane foam or airtight membranes, if some general guidelines are followed.
Keywords
Wood-frame, Airtightness, Window-wall interface

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

Chicago
Bracke, Wolf, Lynn Devos, Silke Maertens, Nathan Van Den Bossche, and Arnold Janssens. 2014. “Airtightness of the Window-wall Interface in Wood-frame Walls.” In DBCM Conference Proceedings, 562–572. São Paulo, Brazil: DBMC.
APA
Bracke, Wolf, Devos, L., Maertens, S., Van Den Bossche, N., & Janssens, A. (2014). Airtightness of the window-wall interface in wood-frame walls. DBCM Conference Proceedings (pp. 562–572). Presented at the XIII International Conference on Durability of Building Materials and Components, São Paulo, Brazil: DBMC.
Vancouver
1.
Bracke W, Devos L, Maertens S, Van Den Bossche N, Janssens A. Airtightness of the window-wall interface in wood-frame walls. DBCM Conference Proceedings. São Paulo, Brazil: DBMC; 2014. p. 562–72.
MLA
Bracke, Wolf, Lynn Devos, Silke Maertens, et al. “Airtightness of the Window-wall Interface in Wood-frame Walls.” DBCM Conference Proceedings. São Paulo, Brazil: DBMC, 2014. 562–572. Print.
@inproceedings{5723367,
  abstract     = {Due to the increased focus on airtightness in the current building practice, a better understanding of air leakage rates through different building components and building interfaces is required. This paper investigates the airtightness of the window-wall interface in wood-frame constructions through a literature review and experimental study. Different wall setups, window installation methods and air sealing solutions were tested resulting in 20 different configurations. Air leakages rates ranging from 0.00 up to 3.66 m3/h.m at 50 Pa are measured and recommended configurations and installation techniques are discussed. The results show that a passive house level airtightness is achievable when using spray-in-place polyurethane foam or airtight membranes, if some general guidelines are followed.},
  author       = {Bracke, Wolf and Devos, Lynn and Maertens, Silke and Van Den Bossche, Nathan and Janssens, Arnold},
  booktitle    = {DBCM Conference Proceedings},
  keyword      = {Wood-frame,Airtightness,Window-wall interface},
  language     = {eng},
  location     = {S{\~a}o Paulo, Brazil},
  pages        = {562--572},
  publisher    = {DBMC},
  title        = {Airtightness of the window-wall interface in wood-frame walls},
  year         = {2014},
}