It used to be that ‘standard,’ rule-of-thumb detailing on expansion joints and building envelope closure systems were adequate in most cases. But today’s complex building envelopes, coupled with code-related issues, mean that joints need to be more carefully designed. Explicit details and specifications developed prior to the bidding stage lead to successful results. Attend the presentation, “Dynamic Building Envelope Closure Systems in Today’s Designs,” by Douglas Pearmain at DesignColumbus 2014 held at COSI on April 28.