Matt and Steve examine a 2026 ranch home in coastal Climate Zone 6A, focusing on the floor-frame transition between the foundation and double-wall enclosure. The inner wall provides structural support, requiring carefully engineered connections through the floor trusses and doubled mudsills into the foundation. They emphasize collaboration between the architect, structural engineer, and assembly crew, particularly when construction sequencing determines whether concealed framing pockets are properly insulated. Water management combines a weather-resistive barrier, foundation waterproofing, free-draining gravel, a dimple mat, and a precast concrete foundation. Matt and Steve also explore a deliberate jog in the air-control layer that takes advantage of ZIP System® sheathing. The episode concludes by examining continuous insulation and proportional R-values for cold-climate durability and performance.