How To Lay Insulation In Attic Floor

Walk to one end of the attic by carefully stepping only on the wooden ceiling joists.

How to lay insulation in attic floor.

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. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. Place a 2 inch by 3 inch board.

Secure the insulation using stay wires. It makes much more sense and cents to insulate the attic floor which in effective is insulating the ceiling of the rooms below. Attic insulation between roof trusses. Wear long sleeves and pants since.

Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation. The idea is to keep the temperature inside the attic as close as possible to the outside air temperature. Level uneven spots with a rake. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation.

Hi kate it s not necessary to insulate attic walls because it s an unheated space. In crawlspaces and basements make sure there are no cracks in the foundation. These are precut lengths of 14 gauge spring steel wire that are slightly longer than the space between the joists. How to lay attic flooring on top of fiberglass insulation 1.

If you re using faced insulation be sure the moisture barrier goes against the underside of the subfloor. Put on work gloves safety glasses and a dust mask before entering the attic. Lay the batts across the ceiling joists covering the existing insulation.