Ideal Practices for Ensuring Proper Roofing Air Flow Making sure proper roofing ventilation is crucial for the long life and performance of a roof. A well balanced intake and exhaust air vent ratio, typically 1:300, plays a pivotal function, with intake vents ideally positioned at the lower side of the https://marcostmhw.governor-wiki.com/977170/a_comprehensive_take_a_look_at_roofing_companies_gainesville_citizens_recommend