Homemade Attic Insulation Baffles

Loose fill or batt the common term for blanket insulation.

Homemade attic insulation baffles.

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. The secret is a homemade cutting jig that holds a utility knife blade. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. As with attic floor insulation moisture and heat removal are the reasons for creating proper air.

They are manufactured to fit either 16 inch or 24 inch. Retrofit or new installation in retrofit situations the attic baffles may or may not already be installed. Baffles establish a channel for air to circulate between the insulation and the roof sheathing. Both can be added to uninsulated attics or layered over existing material.

How to make rafter baffles. Measure the distance between your rafters and between the rise. Pull any existing insulation away from the edges of the attic where you will be putting up the baffles. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

They are known are also known as wind baffle insulation baffles rafter vents or venting chutes. 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. 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.

You will need a baffle for each space between the rafters. Start your measurement at the top of the vented area at the wall plate and. If they are present examine them and evaluate if any baffles need replacing.