Best Practices for Ensuring Appropriate Roof Covering Air Flow Making certain correct roofing ventilation is essential for the longevity and efficiency of a roof system. A balanced intake and exhaust vent ratio, generally 1:300, plays a pivotal duty, with consumption vents ideally placed at the reduced side of the roof https://colorbond-roofing25676.wikicarrier.com/173211/contrasting_costs_amongst_roofing_companies_in_gainesville_florida