History: Ridge vents exhaust the attic air from the leading on the roof. Proper air flow is good for the home, health of your attic and daily life expectancy in the roof. Metal ridge vent & rolled ridge vents are by far the most problematic. Metal ridge vents are gentle https://juliustsrom.blog2learn.com/84783225/indicators-on-roofing-repairs-in-rockville-md-you-should-know