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.
These are precut lengths of 14 gauge spring steel wire that are slightly longer than the space between the joists.
Cut the insulation to fit and gently press it up between the floor joists.
Wear long sleeves and pants since.
If you re using faced insulation be sure the moisture barrier goes against the underside of the subfloor.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
In crawlspaces and basements make sure there are no cracks in the foundation.
Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation.
The idea is to keep the temperature inside the attic as close as possible to the outside air temperature.
Fill every joist space completely and evenly with the insulation leaving attic vents uncovered.
Attic insulation between roof trusses.
It makes much more sense and cents to insulate the attic floor which in effective is insulating the ceiling of the rooms below.
Put on work gloves safety glasses and a dust mask before entering the attic.
How to lay attic flooring on top of fiberglass insulation 1.
Level uneven spots with a rake.
Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation.
Walk to one end of the attic by carefully stepping only on the wooden ceiling joists.
Secure the insulation using stay wires.
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.
Place a 2 inch by 3 inch board.