Air Vent 10.5-in x 240-in Black Plastic Roll Roof Ridge Vent

Ridge vents are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system. Together they help remove any built-up heat and moisture inside the attic for year-round ventilation. Ridge vents install at the peak to provide continuous exhaust airflow horizontally along the roof. Their low profile makes them nearly invisible from the ground. Use the Lowe's calculator to determine how many linear feet of ridge vent is needed per roof. 20-foot rolled mesh ridge vent on which matching shingles will be installed 17 square inches of Net Free Area per linear foot of vent Suitable for 3/12 to 12/12 roof pitch Part of a balanced attic ventilation system for year-round airflow Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates Requires intake ventilation for proper performance Use the Lowe's online calculator to determine how many are needed for each attic Will not corrode, rust or turn...