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October 18, 2007 @ 12:00 pm - 2:00 pm
Pierre-Michel Busque, P.Eng., a building envelope engineer for Levelton Consultants Ltd. and Charlie Gould, Chief Engineer for Starline Architectural Windows Limited, will be discussing the potential for condensation on window frames in newly repaired and new buildings.
Condensation problems with modern windows are most commonly caused by poor ventilation, poor heat flow, and inadequate sill design. Levelton and Starline have collaborated on several projects to investigate condensation problems and design retrofit programs. Their presentation will discuss numerical methods used to calculate heat flow over window surfaces including their short comings, on-site testing and window retrofit programs.
Recent modifications to window jambs for seismic design will also be discussed.
An interactive discussion with attendees regarding design considerations for ventilation and heat flow to keep the window’s internal face above the dew point will be conducted.