Energy: Ventilation – Attic & Walls

This course, “Energy: Ventilation for Attics and Walls,” fulfills continuing education energy requirements for contractors. It delivers essential knowledge on reducing moisture problems through proper ventilation in attics and wall assemblies. The curriculum addresses building code requirements for attic ventilation in new construction, as well as advanced considerations for existing homes. It explains vapor retarder classes and their appropriate use on the interior side of frame walls in specific climate zones. The course also examines the conditions that allow for unvented attic and rafter assemblies. Additionally, it covers exterior wall envelope requirements for weather and water resistance, including material permeance and insulation values.