What is a ridge vent?
A vent system installed along the roof ridge line that allows hot and moisture-laden air to escape from the attic to the outside.
A ridge vent is a continuous opening that runs along the highest point of a roof where two slopes meet. It provides a pathway for warm, humid air trapped in the attic to exit the structure. Most ridge vents consist of a slotted or perforated plastic or metal component that sits beneath the roof cap or shingles, allowing air to escape while blocking direct entry of rain and debris.
Ridge vents work as part of a balanced ventilation system. Air enters through soffit vents located in the eaves and lower roof sections, then rises naturally through the attic space and exits through the ridge vent. This continuous air circulation removes moisture that can lead to wood rot, mold growth, and reduced insulation effectiveness. In Georgia's humid climate, this moisture management is especially important for protecting the structural integrity of the attic and extending the life of roofing materials.
Proper ridge vent installation requires adequate soffit venting to create air balance. If soffit vents are blocked or insufficient, the ridge vent cannot function properly. Many homeowners and contractors prioritize ridge vents during roof replacement projects to ensure healthy attic conditions and prevent future moisture-related damage.