How To Lay Insulation In Attic Floor

If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs.

How to lay insulation in attic floor. 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. Place a 2 inch by 3 inch board. How to lay attic flooring on top of fiberglass insulation 1.

It makes much more sense and cents to insulate the attic floor which in effective is insulating the ceiling of the rooms below. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. Hi kate it s not necessary to insulate attic walls because it s an unheated space. The idea is to keep the temperature inside the attic as close as possible to the outside air temperature.

Attic insulation between roof trusses. Secure the insulation using stay wires. However if you keep the storage weight to a minimum you may be able to build a storage platform above the insulation by attaching supporting beams to the sides of the trusses. These are precut lengths of 14 gauge spring steel wire that are slightly longer than the space between the joists.

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. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. Cut the insulation to fit and gently press it up between the floor joists. Put on work gloves safety glasses and a dust mask before entering the attic.

In crawlspaces and basements make sure there are no cracks in the foundation. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. If you re using faced insulation be sure the moisture barrier goes against the underside of the subfloor.