Faced Batt Insulation In Attic

Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in.

Faced batt insulation in attic.

Guardian r 13 kraft faced fiberglass insulation batt 15 x 93 106 6 sq. 8 bags model k91 view the owens corning attic insulation. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. Kraft faced or paper faced insulation comes in batts and long rolls.

That s how the barrier is made effective. Faced insulation has a sheet of material attached to one side. What is the right insulation for an attic. Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward.

Here s what you need to know about the facing on attic insulation. Unfinished or uninsulated attics need a layer of protection against air migration. You can buy them unfaced or simply remove the paper or foil backing. As a result of evaporation people breathing and plant respiration air carries some.

The batts are precut to fit into cavities on standard 8 foot high walls. Creating a moisture barrier. Kraft paper facing is by far the most common type of vapor barrier you can find pre attached to blanket insulation intended for installation in homes. Lay the batts across the ceiling joists covering the existing insulation.

Once installed and expanded to the uniform manufactured thickness batts offer a known r factor. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation. This will lead to non uniform r values. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists.

Always use unfaced batts both when laying product for the first time and to prevent moisture from becoming trapped between new and old layers of insulation. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. This material may be kraft paper foil plastic or vinyl.

The facing should aim down toward the living space. Blown in insulation thickness can vary in an attic space.