Faced Batt Insulation In Attic

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.

Faced batt insulation in attic.

Faced insulation has a sheet of material attached to one side. Once installed and expanded to the uniform manufactured thickness batts offer a known r factor. Here s what you need to know about the facing on attic insulation. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation.

What is the right insulation for an attic. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. Lay the batts across the ceiling joists covering the existing insulation. The batts are precut to fit into cavities on standard 8 foot high walls.

The r factor of blown in fiberglass is usually 2 3 to 2 8 per inch of material. Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in. Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward. This material may be kraft paper foil plastic or vinyl.

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. 8 bags model k91 view the owens corning attic insulation. Unfinished or uninsulated attics need a layer of protection against air migration. Guardian r 13 kraft faced fiberglass insulation batt 15 x 93 106 6 sq.

The facing should aim down toward the living space. Creating a moisture barrier. 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.

Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls. That s how the barrier is made effective. As a result of evaporation people breathing and plant respiration air carries some. You can buy them unfaced or simply remove the paper or foil backing.

Kraft faced or paper faced insulation comes in batts and long rolls. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer.