Roof Ait Flow Baffle

The baffles make sure that the blown in insulation stays put so there s no wind washing. They will also allow us to maximize our blown in insulation without worrying about obstructing the air flow. The rigid foam is cut to be 2 inches wider than the space between rafters then 1 inch of foam is scored and folded over on either side of the foam creating standoffs that hold the foam away from the roof sheathing providing a space for air to flow.

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Install Baffles To The Soffits First So You Don T Clog The Airflow Coming Into The Attic Also Randomly Install A Measuring G Installation Home Diy Insulation

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Baffles establish a channel for air to circulate between the insulation and the roof sheathing.

Roof ait flow baffle.

As with attic floor insulation moisture and heat removal are the reasons for creating proper air. 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. That airflow is intended to churn the stale air in your attic which helps to remove moisture and control the temperature of your 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.

When set into place and sealed with spray foam the vent baffles are insulated and air sealed. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. The attic insulation baffles that we ll be installing will make sure that there s adequate air flow from the soffit vents. They are usually made from cardboard or rigid foam board or polyvinyl chloride.

What are they why are they important. In brief baffles are designed to provide a channel of air to flow through specific parts of your attic. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.

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