Attic Air Baffles

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 air baffles.

Air seal the attic baffle once the attic baffle is fixed in place seal the drywall edge against the interior wall with a bead of foam sealant then fit one of the foam blocks horizontally over it. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. Durovent durovent 22 in x48 in raft vent 10 pack. Rafter vent with built in baffle helps keep air moving in your attic.

Attic baffles how they work. 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. Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation. Putting baffles in your attic is a crucial step in installing attic insulation.

It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. Item 1571672 model xudv2248. Ado products durovent 23 1 2 in.

The ado products durovent 23 1 2 in. That airflow is intended to churn the stale air in. 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. The foam block should sit flush over the exterior sheathing on the outside and the interior drywall on the inside.

The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. 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. Baffles provide a channel for air to flow through certain parts of the attic. 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.

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