On Episode 6 of Build Science™ 401, Matt Risinger and Steve Baczek wrap up their deep dive into floor assemblies and building envelope integration. They emphasize the importance of durability over insulation values in certain areas, explaining why moving insulation to the interior can protect exposed concrete and critical junctions. The conversation highlights water, air, and vapor management strategies, including the use of ZIP System sheathing and closed-cell spray foam, while also discussing alternatives for builders who prefer different insulation methods. They stress simplicity, continuity, and thoughtful detailing to ensure resilient assemblies, even in complex or unconventional builds. The episode concludes with a teaser for future projects, including offsite-built floor assemblies.