The answer to 'what causes ridge vent' is that ridge vents are a type of roof ventilation system designed to allow hot air to escape from the attic. Ridge vents are installed along the peak or highest point of the roof, allowing warm, moist air to vent outside. This helps regulate the temperature and humidity in the attic, preventing moisture buildup that can lead to mold, mildew, and other problems.
Ridge vents work by creating a passive air flow system. As warm air rises, it escapes through the ridge vent, which is designed with small openings or louvers to allow air to flow out while preventing rain, snow, and debris from entering. This natural convection helps keep the attic cool and dry, improving energy efficiency and the overall health of the roof system.