In this episode, Matt and Daniel Glower team up with the Homestead Builders, Jesse and Daniel, to perform a blower door test using fog on a new build in Brenham, Texas. Jesse explains the use of Zip System as the air barrier and highlights the importance of pre-drywall and pre-insulation stages in achieving airtightness. The video showcases various construction techniques, such as using special tapes, sealants, and QuickFlash boots to address tricky details like attached garages and porches. The team observes the effects of different air-sealing products, such as the peel-and-stick membrane, and the challenges encountered. The fog test reveals minor leaks around doors and windows, emphasizing the significance of meticulous air-sealing practices. Finally, Jesse and Daniel discuss improvements and the potential impact of insulation on further reducing air leakage. Join us for practical insights and expert tips on building more energy-efficient homes.