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Water penetration through exterior walls

Gurevich, M. S.
2005
Masonry Construction the World of Masonry, 18(3): 34-36


Gurevich, M. S., (2005), "Water penetration through exterior walls", Masonry Construction the World of Masonry, 18(3): 34-36.
Abstract:
The possible means to do away with problems caused by the penetration of rainwater through exterior masonry walls to the interior space are discussed. It is stated that the best water-prooofing of the exterior walls with a masonry cladding is to provide the functional drainage of the wall cavity system through weep holes. It is observed that most of the design guidelines and details focus on the limitation or avoidance of water penetration through the masonry veneer, rather than the functional and safe drainage of the cavity wall system. It is advised that the designer should specify the testing of the weep holes with a minimum of one pour for each 10-feet length of the masonry veneer located above the flashing line.


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