Half-Day Workshop Online Webinar (video): 2016 Half-Day Workshop:Building Smart with Air and Vapour Barriers   Online Webinar (video) February 2016 Presented by the British Columbia Building Envelope Council (BCBEC) and the Homeowner Protection Office (HPO), a branch of BC Housing. This half-day workshop focused on the use of air and vapour barriers in single and multi-unit residential buildings. […]