Ideal Practices for Ensuring Appropriate Roofing Air Flow A well balanced consumption and exhaust air vent proportion, commonly 1:300, plays an essential role, with intake vents preferably placed at the reduced side of the roofing system for amazing air entrance and exhaust vents at the optimal for cozy air departure. https://claytonyvoga.theobloggers.com/36295032/the-advantages-of-dealing-with-gainesville-fl-roofing-companies