Face Or Unface Insulation In Uninsulated Attic

Unfaced means the insulation lacks a vapor retarder paper or plastic facing.

Face or unface insulation in uninsulated attic.

As you ve discovered since you already had insulation in your attic the layer of new insulation you added should have been unfaced to prevent moisture from becoming trapped between the layers. The facing should aim down toward the living space. You can buy them unfaced or simply remove the paper or foil backing. The same is true for an attic floor.

The good news is that the solution to your problem isn t that difficult. 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. The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the outdoors or unheated spaces such as an unfinished. Kraft faced insulation includes a paper vapor retarder which helps prevent mold and mildew.

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. Whether you choose faced or unfaced insulation for the attic depends on the. The same applies to faced unfaced and other kinds of insulation products. Watch this video to find out more.

Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists. If you re putting it in an exterior wall the facing is on the interior side of the home where drywall will be laid. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer.

Kraft faced insulation should be installed in exterior walls exterior basement walls and attic ceilings by pressing the product into the wall cavity with the paper side facing outward towards the installer.