Background: Ridge vents exhaust the attic air through the major of your roof. Proper ventilation is good for the house, wellbeing in the attic and lifestyle expectancy of the roof. Metal ridge vent & rolled ridge vents are the most problematic. Metal ridge vents are light-weight and fabricated from aluminum. https://louismbshx.idblogz.com/37664179/top-rockville-maryland-roof-soffit-repair-secrets