History: Ridge vents exhaust the attic air with the top in the roof. Correct air flow is nice for the house, health from the attic and daily life expectancy with the roof. Metal ridge vent & rolled ridge vents are one of the most problematic. Metal ridge vents are light-weight https://asbestos-roof-removal-ser74173.link4blogs.com/58175275/top-rockville-maryland-roof-soffit-repair-secrets