View How To Insulate An Attic Roof Rafters Pictures. Although many builders have installed fiberglass batt insulation between attic rafters to insulate cathedral ceilings and attic roofs, this technique isn't as effective as more modern methods of roof insulation. I understand i need to put in baffles to allow for air flow.
At the perimeter of the attic, lay the insulation up to the roof rafters, but keep it away from plywood roof sheathing.
This is a simple, cheap way to insulate your attic. Not only can conditioned air escape around the access panel's perimeter, but. Insulating your attic can lower your heating and cooling costs by as much as $600 per year. How to install ducts in an unvented attic.