This online class will drill into Clause E2 External Moisture and point out the relationship to B2 and B1 compliance requirements. There will be a focus on air barrier connections for effective weathertightness and how we can easily improve common details. Dipping into the E2 add-ons like E2/AS1 and E2/VM2, we’ll consider their relevance and limitations in modern construction practices. Explore retrofit options and weathertightness strategies for different wind zones, emphasizing practical solutions for enhancing building design for durability and performance.