Best Practices for Ensuring Proper Roofing Air Flow Guaranteeing proper roof ventilation is important for the durability and effectiveness of a roof system. A well balanced consumption and exhaust air vent ratio, commonly 1:300, plays a critical role, with intake vents preferably positioned at the reduced side of the roof https://matthewsv6260.vidublog.com/29492292/necessary-questions-to-ask-gainesville-roofing-companies-prior-to-hiring