How To Install Insulation In Attic Rafters

Install the second layer of insulation.

How to install insulation in attic rafters.

You can use rigid foam panels or do as tom silva does with nearly all houses these. Staple sheets of 6 mil plastic over unfaced insulation to create a vapor barrier. Then feed the rolled insulation under wires and pipe if either is present. For diy attic insulation you ve got two choices.

It s worth changing tactics to insulate between the rafters and wall joists instead of the floor. If it doesn t add a small piece of insulation over top. Overlap the sheets by 8 to 10 inches. With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door.

Staple through the plastic and into rafters. Start by tucking small pieces of insulation between the rafters against the rafter vents. Find a pre screened local home insulation contractor. Attach the insulation to the rafter scab board by the paper flange so as not to compress the fiberglass.

Loose fill or batt the common term for blanket insulation. The existing layer should sit at the top of the joists. More insulation installation tricks and tips. Tape the seams with duct tape.

Level uneven spots with a rake. Attach insulation staple it to the rafters or scabbed on boards with a staple gun so that the paper backing is toward the interior of the room to act as a vapor barrier. Use 3 8 inch heavy duty staples every six inches. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered.

For rolled insulation place it between roof rafters.