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Jan 15, 2024 · They consist of a box-shaped cover covering the vent holes made in the roof. Box vents contain ventilation holes, big enough to allow the free flow of air out of the roof but designed so that debris, water, and unwanted visitors can’t enter the roof. The box vent covers a hole cut in the roof decking. One vent for every 300 square feet of ...
Sep 12, 2024 · Types of roof vents. An attic ventilation system requires two types of vents: intake and exhaust. However, some vents, like the turbine or gable vent, can pull double duty. Here is a list of the most common types of roof vents and the pros and cons of each. Intake vents
- Whirly Bird or Wind Roof Turbines. What Is It: Whirlybird or roof turbines are large, wind-driven, bulbous vents on the roof apex. They have thicker base plates and curvilinear openings that spin with the wind and expel all the hot air from the system.
- Static or Solar Powered Vents. What Is It: Static or solar-powered vents are flat, squarish, or circular discs on the roof sides. These are directly connected to different solar panels and have a slightly sloping edge to maximize sun exposure.
- Dormer Vents. What Is It: Dormer vents are round, vault-like vents with meshed screens and rounded edges that fit along pitched roof sides and apexes.
- Ridge Vents. What Is It: Ridge vents are a type of slit vent at the roof apex. These usually sit between/over the roof gaps and offer a continuous exhaust along the entire roof’s length.
Jul 22, 2023 · What To Do If You Already Have Roof Vents. If you already have roof vents but face issues like ice dams, attic moisture, or excessive HVAC use, take the following steps to address the situation: 1. Check and clean your roof vents to remove any objects blocking airflow. 2. Conduct a simple smoke test to assess the effectiveness of air ...
Jul 5, 2024 · Also called whirlybird roof vents, turbine vents are clever in their design and execution. Produced by manufacturers like Lomanco and Air Vent, these vents spin on a ball bearing system, creating negative pressure that sucks hot air and moisture up and out of the attic. Turbine roof vents are essentially an analog version of powered roof vents.
Oct 12, 2023 · A roof-mounted powered attic vent can be triggered by temperature or humidity. This Air Vent product is rated at up to 1500 cu. ft. of air per minute. Like many roof-mounted vents, this powered gable vent from Air Vent is solar-powered.
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Aug 3, 2021 · Depending on the design of your roof, hip vents can also be combined with ridge vents to provide the amount of exhaust your attic needs. Roof louvers: Also known as box vents, roof louvers offer another exhaust vent option for modern roof designs, hip roofs, smaller roof areas, and those with limited or no ridge line. In order to achieve the ...
