Homemade Attic Insulation Baffles

You will need a baffle for each space between the rafters.

Homemade attic insulation baffles.

Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. If they are present examine them and evaluate if any baffles need replacing. 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. They are usually made from cardboard or rigid foam board or polyvinyl chloride.

As with attic floor insulation moisture and heat removal are the reasons for creating proper air. Both can be added to uninsulated attics or layered over existing material. The secret is a homemade cutting jig that holds a utility knife blade. Place plywood over two or more joists under your work area to prevent damage to the ceiling below.

For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Loose fill or batt the common term for blanket insulation. Measure the distance between your rafters and between the rise.

They are known are also known as wind baffle insulation baffles rafter vents or venting chutes. I should have paid someone to do this but much like poker i m pot committed with the time and money i ve spent and just want to accomplish it myself. Foam attic baffles the two most common attic baffles are made of cardboard or foam. Retrofit or new installation in retrofit situations the attic baffles may or may not already be installed.

They are manufactured to fit either 16 inch or 24 inch. Start your measurement at the top of the vented area at the wall plate and. Baffles establish a channel for air to circulate between the insulation and the roof sheathing.