Faced Batt Insulation In Attic

8 bags model k91 view the owens corning attic insulation.

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. This will lead to non uniform r values. Guardian r 13 kraft faced fiberglass insulation batt 15 x 93 106 6 sq. The facing should aim down toward the living space.

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. You can buy them unfaced or simply remove the paper or foil backing. The batts are precut to fit into cavities on standard 8 foot high walls.

Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in. Creating a moisture barrier.

As a result of evaporation people breathing and plant respiration air carries some. That s how the barrier is made effective. The r factor of blown in fiberglass is usually 2 3 to 2 8 per inch of material. Kraft faced or paper faced insulation comes in batts and long rolls.

This material may be kraft paper foil plastic or vinyl. What is the right insulation for an attic. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. The same is true for an attic floor.

Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation. Blown in insulation thickness can vary in an attic space. Unfinished or uninsulated attics need a layer of protection against air migration. Lay the batts across the ceiling joists covering the existing insulation.

Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists.