Homemade Attic Insulation Baffles

They are usually made from cardboard or rigid foam board or polyvinyl chloride.

Homemade attic insulation baffles. Foam attic baffles the two most common attic baffles are made of cardboard or foam. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter. How to make rafter baffles. They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.

Pull any existing insulation away from the edges of the attic where you will be putting up the baffles. Loose fill or batt the common term for blanket insulation. Start your measurement at the top of the vented area at the wall plate and. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

If they are present examine them and evaluate if any baffles need replacing. Place plywood over two or more joists under your work area to prevent damage to the ceiling below. You will need a baffle for each space between the rafters. Baffles establish a channel for air to circulate between the insulation and the roof sheathing.

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. For diy attic insulation you ve got two choices. They are manufactured to fit either 16 inch or 24 inch. 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.

Measure the distance between your rafters and between the rise. 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.