Attic Air Flow Baffles

Product overview for improved air circulation in the attic install the durovent 22 in.

Attic air flow baffles.

Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away. They also keep insulation from falling into and clogging up the eaves. The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit. They are usually made from cardboard or rigid foam board or polyvinyl chloride.

They are known are also known as wind baffle insulation baffles rafter vents or venting chutes. Attic baffles also called channel vents vent chutes proper vent and about 50 other names help direct air flow from the soffit through the attic. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. Typically made from polyvinyl.

For the same reason insulation shouldn t touch the roof s underside. If your attic is well insulated the insulation might be plugging the spaces between rafters just above exterior walls. Attic baffles how they work. The solution is to add baffles which allow air to flow past the insulation photo 9.

From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting. An attic baffle is simply an item to regulate the flow of air aka required roof venting and impede it the insulation from interfering with each other. Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.

The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. That means air can t flow from the soffit vents to the roof vents. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.

Baffles are available at home centers. These specialty vents do not affect the. The beauty of attic baffles is that they are available from most home improvement stores and can be installed simply with a few staples if you want the diy approach. They can reduce roof deck temperature minimize ice dam issues and can help control attic moisture.

Baffles provide a channel for air to flow through certain parts of the attic. Baffles are chutes that when installed properly can provide a channel for air to flow from your exterior soffit vents up into your attic space.