Position the batt of insulation at the outer edge of the attic and roll the batt in the channel between the joists toward the center of the attic.
Instaling attic batt insulation.
If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Place the insulation with the facing side down on a piece of scrap plywood.
Of length for a tighter fit.
Air movement is critical in the attic so moisture moves outside the home.
Cut the insulation roll or batt to fit the length of the framing cavity if necessary.
Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling.
Use our roll insulation calculator to estimate how much roll or batt insulation you ll need.
Leave an extra 1 2 in.
Measure between joists if insulating a floor or attic or studs if insulating unfinished walls to find the correct width for the insulation.
We re using unfaced batts that are sized to friction fit into standard stud spaces either 16 in.
Blown in insulation consists of bags of fiberglass or cellulose that are chopped up and blown in to the attic or wall from a machine.
Wear a long sleeve shirt gloves eye protection and a dust mask.
When it comes to insulating your attic there are really only two types of insulation worth considering fiberglass batts or blown in insulation.
This allows the termination of the batt in an area.
Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints.
Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.
Insulate your attic with fiberglass batts.
Lay the batts across the ceiling joists covering the existing insulation.
Old insulation is removed and the attic space is cleaned out.
Set a t square or metal straightedge over the insulation and press it down firmly.
Cut batts to length by setting the top of the batt into the space and cutting against the bottom plate with a sharp utility knife.
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The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.