Attic Insulation Air Baffles

Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.

Attic insulation air baffles.

Basic functions of baffles 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. The ado products durovent 23 1 2 in. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. For diy attic insulation you ve got two choices.

Putting baffles in your attic is a crucial step in installing attic insulation. Attic ventilation system with built in baffle 10 per carton 4 4 out of 5 stars 3 accuvent 14 5 x 50 16 o c flame retardant pvc high energy vent 50 pack acbp18429. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. Rafter vent with built in baffle helps keep air moving in your attic.

Ado products durovent 23 1 2 in. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes. 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.

They are usually made from cardboard or rigid foam board or polyvinyl chloride. An attic with balanced ventilation has undereave or soffit vents which allow fresh air into the attic. The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow.

Baffles provide a channel for air to flow through certain parts of the attic. Both can be added to uninsulated attics or layered over existing material. Typically made from polyvinyl. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top plate. Attic baffles how they work. For improved air circulation in the attic install the durovent 22 in.