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Masonry walls are commonly used in a range of different climates and there has emerged over the years a consensus amongst building practitioners that, if correctly installed and adequately maintained, masonry walls clearly achieve adequate long-term performance. Two key features of masonry walls contribute in providing acceptable performance by mitigating the effects of wind-driven rain: the evident capacity of the exterior masonry to absorb and store rainfall; an open cavity behind the exterior masonry cladding to drain infiltrated water. Recent European trends in respect to energy conservation have building practitioners considering applying spray-in-place insulation to fill the open cavity in walls. As well, there is an emerging interest in low energy wood frame construction for moderate climates such as those of North-western Europe. Such construction would incorporate brick veneer cladding with reduced space behind the cladding. Knowing the degree of water infiltration of brick masonry walls might help provide a useful estimate of moisture loads behind the cladding and hence improve HAM-simulations of these new concepts. Extensive research has been carried out over the years to assess the performance of masonry walls systems with regards to watertightness. This paper offers an overview of research on water infiltration through brick masonry walls. Assessment protocols and test methods are discussed and where possible test data amongst the different methods compared.
Keywords
HAM-simulations, Watertightness, masonry, test protocols

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Chicago
Van Den Bossche, Nathan, Michael Lacasse, and Arnold Janssens. 2011. “Watertightness of Masonry Walls: An Overview.” In 12th International Conference on Durability of Building Materials and Components, Proceedings, ed. Vasco Peixoto de Freitas, 1:49–56. Porto, Portugal: FEUP Edições.
APA
Van Den Bossche, N., Lacasse, M., & Janssens, A. (2011). Watertightness of masonry walls: an overview. In Vasco Peixoto de Freitas (Ed.), 12th international conference on durability of building materials and components, Proceedings (Vol. 1, pp. 49–56). Presented at the 12th International conference on Durability of Building Materials and Components (XII DBMC - 2011), Porto, Portugal: FEUP Edições.
Vancouver
1.
Van Den Bossche N, Lacasse M, Janssens A. Watertightness of masonry walls: an overview. In: Peixoto de Freitas V, editor. 12th international conference on durability of building materials and components, Proceedings. Porto, Portugal: FEUP Edições; 2011. p. 49–56.
MLA
Van Den Bossche, Nathan, Michael Lacasse, and Arnold Janssens. “Watertightness of Masonry Walls: An Overview.” 12th International Conference on Durability of Building Materials and Components, Proceedings. Ed. Vasco Peixoto de Freitas. Vol. 1. Porto, Portugal: FEUP Edições, 2011. 49–56. Print.
@inproceedings{1847258,
  abstract     = {Masonry walls are commonly used in a range of different climates and there has emerged over the years a consensus amongst building practitioners that, if correctly installed and adequately maintained, masonry walls clearly achieve adequate long-term performance. Two key features of masonry walls contribute in providing acceptable performance by mitigating the effects of wind-driven rain: the evident capacity of the exterior masonry to absorb and store rainfall; an open cavity behind the exterior masonry cladding to drain infiltrated water. Recent European trends in respect to energy conservation have building practitioners considering applying spray-in-place insulation to fill the open cavity in walls. As well, there is an emerging interest in low energy wood frame construction for moderate climates such as those of North-western Europe. Such construction would incorporate brick veneer cladding with reduced space behind the cladding. Knowing the degree of water infiltration of brick masonry walls might help provide a useful estimate of moisture loads behind the cladding and hence improve HAM-simulations of these new concepts. Extensive research has been carried out over the years to assess the performance of masonry walls systems with regards to watertightness. This paper offers an overview of research on water infiltration through brick masonry walls. Assessment protocols and test methods are discussed and where possible test data amongst the different methods compared.},
  author       = {Van Den Bossche, Nathan and Lacasse, Michael and Janssens, Arnold},
  booktitle    = {12th international conference on durability of building materials and components, Proceedings},
  editor       = {Peixoto de Freitas, Vasco},
  isbn         = {9789727521326},
  keyword      = {HAM-simulations,Watertightness,masonry,test protocols},
  language     = {eng},
  location     = {Porto, Portugal},
  pages        = {49--56},
  publisher    = {FEUP Edi\c{c}{\~o}es},
  title        = {Watertightness of masonry walls: an overview},
  volume       = {1},
  year         = {2011},
}