CSC Toronto offers air barrier talk

The Toronto Chapter of CSC is hosting a presentation that will focus on the type of movement of air, heat, and moisture through building envelope assemblies, and explore how they are controlled.

The April 5 dinner meeting will examine differences between air barriers, vapour retarders, vapour-permeable moisture barriers, and air/vapour barriers. Presenter Duncan Rowe, P.Eng., LEED AP (RJC Engineering), will explore the proper location of each in an example assembly, along with the failure mechanisms if they are put in the wrong position. He will also introduce the investigative techniques, as well as repair methodologies, for the barriers.

The event, taking place at the Toronto Skating, Curling and Cricket Club, begins with cash-bar cocktails at 5:15 p.m., followed by dinner and the presentation. Cost, including HST, is $50 for members, $55 for non-members, or $60 cash at the door. Visit

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