The secret is a homemade cutting jig that holds a utility knife blade.
Homemade attic baffles.
Staple each side to the roof deck spaced about every 4 inches.
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.
Things you ll need plywood tape measure 1 2 inch foil faced rigid foam insulation utility knife heavy duty stapler.
Putting baffles in your attic is a crucial step in installing attic insulation.
Install attic baffles if the attic doesn t have attic baffles let s install them.
Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
The outside edge of the baffle should be parallel to the exterior wall sheathing.
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.
Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation.