Installing Unfaced Insulation In Attic

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.

Installing unfaced insulation in attic.

The facing on kraft faced insulation is made of kraft paper with an asphalt coating that makes the paper impermeable to water vapor. However you must complete an important step before installing any insulation. Remember the second layer of insulation should be unfaced. You can buy them unfaced or simply remove the paper or foil backing.

If it is too big then trim it to size. Although insulation professionals will handle the installation for you here are some things to keep in mind about removing old insulation and installing new insulation over old insulation according to energy star. Place a new layer of unfaced batts perpendicular to the old layer to cover any gaps in the lower layer. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but it has facing on it and that could create a.

Use fireproof caulk to seal up cracks holes and openings around all. Faced insulation should not be placed on top of existing insulation in the attic. Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration. For this reason faced insulation is typically installed on the.

The purpose of insulation facing. The paper creates a vapor barrier that helps keep the water vapor in the warm moist heated indoor air from migrating outward into the wall or other structure. If it doesn t add a small piece of insulation over top. This is the reason you need not add a vapor barrier when you are using paper faced insulation.

Begin rolling unfaced insulation in the opposite direction of the first layer. Continue the installation toward the attic hatch. Owens corning r 19 ecotouch pink metal framed unfaced fiberglass insulation metal framing batt 16 in. What is the right insulation for an attic.

Unfaced insulation adds an additional layer to attic insulation insulating the attic consists of setting insulation between the floor joists which are the ceiling joists of the room below. Measure the roll or batt of insulation to the area that you are going to install it in. The existing layer should sit at the top of the joists. Keep the rolls tight together.

Remember to set the paper faced insulation upwards. Installing insulation has almost the same steps for all. I ve always said adding insulation to your attic is some of the best money you can spend to make your house more energy efficient but whether to use faced or unfaced insulation is a great question.