Attic Baffle Requirements

Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. Length x width of attic in feet 150 total sq.

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Calculate the total vent area needed.

Attic baffle requirements.

For improved air circulation in the attic install for improved air circulation in the attic install the durovent 22 in. Ft divided by 150 equals 10 sq. 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. 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.

The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. 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. That airflow is intended to churn the stale air in. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.

Baffles provide a channel for air to flow through certain parts of the attic. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. 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. Attic baffles how they work.

Of total vent space needed. A 50 x 30 attic would have a total area of 1 500 sq.

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