Soffit Systems Explained: Roofline Access, Venting, and Failure Points

Soffits are commonly treated as trim. They sit out of sight, are rarely discussed during renovations, and are often replaced with little consideration beyond color and material. This framing is convenient—but incorrect. Soffits are a functional component of the building envelope, and their performance affects airflow, moisture behavior, and pressure balance at the roofline. When…