In brief baffles are designed to provide a channel of air to flow through specific parts of your attic.
Attic insulation air baffles.
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.
The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit.
An attic with balanced ventilation has undereave or soffit vents which allow fresh air into the attic.
Rafter vent with built in baffle helps keep air moving in your attic.
The ado products durovent 23 1 2 in.
The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.
Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.
For diy attic insulation you ve got two choices.
Putting baffles in your attic is a crucial step in installing attic insulation.
They are usually made from cardboard or rigid foam board or polyvinyl chloride.
Use it between rafters to create an air channel through insulation to help keep air flowing freely in your attic.
Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
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.
Attic baffles how they work.
Typically made from polyvinyl.
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.
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.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow.
They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.
For improved air circulation in the attic install the durovent 22 in.
Baffles are also called wind baffles venting chutes rafter vents or insulation baffles.