Faced Batt Insulation In Attic

Kraft faced or paper faced insulation comes in batts and long rolls.

Faced batt insulation in attic.

What is the right insulation for an attic. Once installed and expanded to the uniform manufactured thickness batts offer a known r factor. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists. Unfinished or uninsulated attics need a layer of protection against air migration.

Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward. 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. Guardian r 13 kraft faced fiberglass insulation batt 15 x 93 106 6 sq. Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in.

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. 8 bags model k91 view the owens corning attic insulation. Lay the batts across the ceiling joists covering the existing insulation.

You can buy them unfaced or simply remove the paper or foil backing. The facing should aim down toward the living space. Faced insulation has a sheet of material attached to one side. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation.

This will lead to non uniform r values. The same is true for an attic floor. All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. This material may be kraft paper foil plastic or vinyl.

Here s what you need to know about the facing on attic insulation. Blown in insulation thickness can vary in an attic space. That s how the barrier is made effective. Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls.

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.