How To Make Attic Baffles

Staple the edges into place with the staple gun making sure they are lined up correctly and securely.

How to make attic baffles.

They come in several widths so purchase the baffle that fits between your rafters. If your rafters are closer or farther apart than this distance it may be necessary to make your own rafter baffles. When set into place and sealed with spray foam the vent baffles are insulated and air sealed. Fit each one snuggly in the bay with the bottom starting where the ceiling joist meets the roof rafter.

Attic baffles how they work. Attach this roof and attic insulation treatment using foam baffles to ventilate insulate and channel cold and hot air to roof vents before insulation is add. You will need a baffle for each space between the rafters. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.

Cut at least two 24 inch squares of inch plywood to use as seat boards when crawling out into the attic. Commercially made baffles can be purchased in 16 inch or 24 inch widths. 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. Be careful of any roofing nails that may be sticking out of the rafters or bay.

The book that helped us build and renovate.