Suitable air flow helps prevent warmth buildup in summer months and moisture accumulation in winter, each of which can cause untimely roof deterioration. Rake: A roof’s rake is its inclined outer edge that extends further than the wall. It can be flat or hang over and above a gable conclusion. https://businessfeed.us/ideas-to-find-the-best-commercial-roofing-company-in-chicago-expert-tips/