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April 30, 2007 @ 12:00 pm - 2:00 pm
About the topic:
Can you have face sealed and rain screen systems on the same building? If so is it a good idea? The general trend has been to move away from face seal assemblies and towards rain screen design. Mass wall approaches to water management also continue make up part of new and remediated envelope construction. Successful hybrid enclosures are possible to construct however they present challenges with the extraordinary attention by everyone involved, the rain screen portion of the hybrid can be significantly comporomised. Case histories illustrate the unfounded confidence that proponents often have in an approach that is deemed to be “reliable rain screen”, while it actually lacks the fundamental attributes required to perform due to the manner in which it is constructed. Perhaps if the challenges in producing a hybrid building enclosure system were more clearly realized by the project team, the approach might either not be selected, or alternatively it might be properly addressed with more successful results.
About the presenter:
Martin Gevers is a consultant with Levelton Consultants Ltd. and a BC BEC Director for Vancouver Island. He holds degrees in Physics (U.Vic. 1975) and Engineering (UBC 1983) and is a registered professional engineer in B.C. He gained construction experience starting as a framer in the early 1970’s and later as a project engineer with PCL and Sun-Eastern on defense and hi-rise projects in various parts of Canada. He was a technical advisor with NRC’s IRAP program for construction prior to preparing and teaching the Building Science curriculum at BCIT. He developed and taught the first module of the Building Envelope Education Program from 1997 to 1999. Martin is a charter member of BC BEC since it’s formation in 1988 in Vancouver. He has served as the education director and Vancouver Island director for much of this period.