Foam Baffle Attic

Typically made from polyvinyl.

Foam baffle attic.

They are known are also known as wind baffle insulation baffles rafter vents or venting chutes. 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. Ado products durovent 23 1 2 in. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.

In brief baffles are designed to provide a channel of air to flow through specific parts of your attic. The rigid foam is cut to be 2 inches wider than the space between rafters then 1 inch of foam is scored and folded over on either side of the foam creating standoffs that hold the foam away from the roof sheathing providing a space for air to flow. They are usually made from cardboard or rigid foam board or polyvinyl chloride. Baffles provide a channel for air to flow through certain parts of the attic.

It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot. When set into place and sealed with spray foam the vent baffles are insulated and air sealed.