Unfaced Batt Insulation Vs Faced In The Attic

The insulation can also be used to fill cracks around doors and windows but you ll need to peel off the facing.

Unfaced batt insulation vs faced in the attic.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. It means ensuring that it s the right product for your space. If fiberglass batts have a kraft facing they must be protected by a layer of 1 2 inch drywall. Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward the heated living space.

Use unfaced batts there. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation. Batt insulation is available at home centers and lumberyards. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Unfaced insulation the type without paper is what you would use if you are adding insulation to your attic or to place between floors when living space is above and below. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. Any time you use a faced insulation the paper needs to be facing toward the living space. Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.

Blown in insulation requires a professional. It is stapled to studs and joists unlike unfaced batts. So in an attic the paper faces downward and in a crawl space it faces upward. Insulation being unfaced doesn t mean it s a bad choice.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. You can buy them unfaced or simply remove the paper or foil backing. Whether you choose faced or unfaced insulation for the attic depends on the. Faced insulation is used in exterior walls attics finished basements floors and ceilings.

It is sold in bags and made of materials that are of varying degrees of recycled. Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. Batt insulation take time to read this column. Kraft facing is highly flammable so if you were thinking of leaving kraft faced batts exposed in your attic don t.

The first difference in blown in vs. Climate also dictates how the vapor barrier should be positioned. Watch this video to find out more. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.

Note that it is a code violation to leave kraft facing exposed.