Attic Baffle Requirements

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Attic baffle requirements.

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. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. Attic baffles how they work.

Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. Length x width of attic in feet 150 total sq. A 50 x 30 attic would have a total area of 1 500 sq. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

Baffles provide a channel for air to flow through certain parts of the attic. Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation. It can be cut to fit most joist spaces and is an affordable way to meet energy code requirements for air flow. Calculate the total vent area needed.

Of total vent space needed. 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.