Installing Attic Insulation In Dormer Walls Faced Or Unfaced

Insulating between rafters install batting between the roof rafters for finished attic spaces.

Installing attic insulation in dormer walls faced or unfaced.

Installing insulation has almost the same steps for all. Cut the insulation roll or batt to fit the length of the framing cavity if necessary. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. If the attic doesn t have any existing insulation use faced insulation with the paper facing toward the heated living space.

Measure the roll or batt of insulation to the area that you are going to install it in. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. The kraft paper itself is highly flammable. If you do use faced insulation you must take extra precautions to avoid having a fire.

If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top. Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation. Set a t square or metal straightedge over the insulation and press it down firmly. If your attic floor has no insulation install faced batts or faced rolls between each joist with the moisture barrier facing down against the drywall or plaster ceiling below.

Remember to set the paper faced insulation upwards. 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. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. For example if you plan on using your garage for your welding projects you run the risk of having a welding fire.

Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. One method is to fill the gaps between the studs with faced batts and then wrap the entire passage with unfaced insulation. Unfaced insulation can greatly reduce the risk of mold mildew or moisture damage in your house. Place the insulation with the facing side down on a piece of scrap plywood.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Avoid covering an old layer of faced. You can buy them unfaced or simply remove the paper or foil backing. After securing the insulation wrap the entire passage with house wrap and seal the seams with house wrap tape.

When using insulation that has. This is the reason you need not add a vapor barrier when you are using paper faced insulation. You can use either faced or unfaced batting for this installation. Unfaced insulation in your garage.

You should only use faced insulation as the first layer of insulation. When adding more insulation to an attic that already has insulation use unfaced insulation. The unfaced insulation can be secured to the framing with staples.