View source for Attic Airflow Balancing: Experienced Techs’ Debris Flow Using Javis

Attic air doesn’t move by luck. It follows pressure paths, temperature gradients, and the rough edges of construction choices made by people with nail guns and deadlines. When airflow goes wrong, you get ice dams, sweaty sheathing, musty insulation, and shingles that age in dog years. When it goes right, the house breathes, the roof system lasts, and utility bills calm down. Over the last decad