Air Baffle Attic Insulation

Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.

Air baffle attic insulation.

Attic baffles how they work. Accuvent acts as an all in one wind wash barrier and vent. 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 picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting. As with attic floor insulation moisture and heat removal are the reasons for creating proper air. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes. 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.

Rafter vent with built in baffle helps keep air moving in your attic. Without a wind wash barrier air enters the attic freely and flows above the insulation in the ceiling greatly reducing its r value. This can cause moisture buildup. They are usually made from cardboard or rigid foam board or polyvinyl chloride.

Baffles establish a channel for air to circulate between the insulation and the roof sheathing. The ado products durovent 23 1 2 in.