Kicking off the Above-Grade Walls section, Matt and Steve dive into why these assemblies are some of the most complex in the building envelope—loaded with material choices, multiple trades, and moisture challenges. From standard framing to walls with continuous exterior insulation, they break down the nuances of vapor control, thermal bridging, and the power of rainscreens. Learn how to manage drying potential, proper material sequencing, and why wall transitions are often where the real action happens.