How Install Insulation In Attic

Lay the batts across the ceiling joists covering the existing insulation.

How install insulation in attic.

How to install fiberglass insulation step 1. When installing multiple layers of insulation for optimal thermal performance install the first layer bottom layer parallel to attic framing members and flush with both bottom and top. Connect the hose to the blown in insulation machine. Check the insulation manufacturer s instructions for the necessary thickness of plastic.

Then feed 1 2 a bag of fill into the machine and turn on the hose to start blowing the insulation. Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way. Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches. More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just.

Begin laying in. If installing fiberglass mats start by laying the mats at the furthest point from the attic access. Spread plastic sheeting over the crawlspace floor to block ground moisture from entering the area. Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home.

If installing shredded insulation fill the attic space at least 15 inches high with insulation. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. There are many different ways to install insulation. Old insulation is removed and the attic space is cleaned out.

Soffits are part of the overall. Lay down boards or plywood sheeting to help you be able to walk safely in the attic space. When laying insulation it s a common mistake to cover up the soffit vents. If you re installing additional insulation in an attic that s already insulated use unfaced insulation that doesn t have a vapor barrier.

Begin at a wall and work toward the center of the attic floor or the entryway carefully placing insulation between joists and ensuring a snug fit. So if you re installing insulation in an attic that doesn t have any used faced insulation and put the paper side down toward the ceiling. Connect the hose to the insulation machine. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and.