Attic Baffle Requirements

That airflow is intended to churn the stale air in.

Attic baffle requirements.

Of total vent space needed. For improved air circulation in the attic install for improved air circulation in the attic install the durovent 22 in. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. 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.

Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation. Multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed. Calculate the total vent area needed. Length x width of attic in feet 150 total sq.

It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. 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. Baffles provide a channel for air to flow through certain parts of the attic. Ft divided by 150 equals 10 sq.

Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.