ridge cap vent installed on a shingle roof for passive attic ventilation on a residential house.

ridge cap vent roof passive air airflow architecture asphalt attic background breathing building caulking code construction covered exchange exhaust exterior galvanized heat home house hvac inspection install installation maintenance metal nonmotorized outdoors outside protected regulation residential roofer roofing rooftop seal sealed shingles typical ventilation waterproof weather weatherproof maintenancefree