Faced Batt Insulation In Attic

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

Faced batt insulation in attic.

Faced insulation has a sheet of material attached to one side. 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. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. 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. Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists. Guardian r 13 kraft faced fiberglass insulation batt 15 x 93 106 6 sq.

You can buy them unfaced or simply remove the paper or foil backing. 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. Here s what you need to know about the facing on attic insulation. What is the right insulation for an attic.

Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in. Unfinished or uninsulated attics need a layer of protection against air migration. The batts are precut to fit into cavities on standard 8 foot high walls. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

This material may be kraft paper foil plastic or vinyl. The r factor of blown in fiberglass is usually 2 3 to 2 8 per inch of material. Lay the batts across the ceiling joists covering the existing insulation. Blown in insulation thickness can vary in an attic space.

All kraft faced insulation is easy to cut with a sharp utility knife or insulation knife. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation. Creating a moisture barrier. As a result of evaporation people breathing and plant respiration air carries some.

Once installed and expanded to the uniform manufactured thickness batts offer a known r factor. The same is true for an attic floor.