Faced Vs Unfaced Insulation In Attic

Unfaced insulation can greatly reduce the risk of mold mildew or moisture damage in your house.

Faced vs unfaced insulation in attic. The same applies to faced unfaced and other kinds of insulation products. For many contractors the decision to use one kind of insulation over the other depends solely on preference rather than a by the book decision making process. Faced insulation is a type of blanket insulation that usually comes in a roll in batt form where the insulation is adhered on one side to a kraft paper or plastic for installation purposes. The upside is you save money by not having to pay to add your own vapor barrier.

Whether you choose faced or unfaced insulation for the attic depends on the. When adding more insulation to an attic that already has insulation use unfaced insulation. If the attic doesn t have any existing insulation use faced insulation with the paper facing toward the heated living space. The same is true for an attic floor.

The insulation can also be used to fill cracks around doors and windows but you ll need to peel off the facing. Faced insulation is used in exterior walls attics finished basements floors and ceilings. The kraft paper itself is highly flammable. Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.

The facing should aim down toward the living space. Faced insulation is a little but not a lot more expensive than unfaced simply because of the extra material it includes. You can buy them unfaced or simply remove the paper or foil backing. You should only use faced insulation as the first layer of insulation.

It is stapled to studs and joists unlike unfaced batts. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists. To make things safe cover your unfaced insulation with drywall to prevent the risk of a fire.

Unfaced means the insulation lacks a vapor retarder paper or plastic facing. The kraft paper on one side of faced insulation keeps moisture from spreading throughout the walls or ceiling. If you re putting it in an exterior wall the facing is on the interior side of the home where drywall will be laid. Climate also dictates how the vapor barrier should be positioned.