Face Or Unface Insulation In Uninsulated Attic

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Face or unface insulation in uninsulated attic.

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. 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. 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. The good news is that the solution to your problem isn t that difficult.

Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward the heated living space. 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. You can buy them unfaced or simply remove the paper or foil backing.

Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation. The facing should aim down 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. 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.

Kraft faced insulation includes a paper vapor retarder which helps prevent mold and mildew. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists. The same applies to faced unfaced and other kinds of insulation products. 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 means the insulation lacks a vapor retarder paper or plastic facing.