Installing Faced Fiberglass Batt Insulation In Attic

Cut the insulation roll or batt to fit the length of the framing cavity if necessary.

Installing faced fiberglass batt insulation in attic.

Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation. Position the batt of insulation at the outer edge of the attic and roll the batt in the channel between the joists toward the center of the attic. Set a t square or metal straightedge over the insulation and press it down firmly. Place the insulation with the facing side down on a piece of scrap plywood.

Made up of sand and recycled glass fiberglass is great for thermal insulation but offers some sound absorption as well. Installing fiberglass batt insulation requires a very careful approach to ensuring a consistent installation without gaps or compression. 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. That gives you an r value of 30 at a cost of between 39 cents and 43 cents per square foot according to the u s.

Fiberglass can release tiny fibers which can be harmful if breathed into the lungs and which may irritate the skin. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but. View photos of the bus station we insulated with foil faced fiberglass batts. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.

You can use either faced or unfaced batting for this installation. When installing fiberglass insulation observe all safety precautions. When using insulation that has either paper or plastic facing. 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.

Install batting between the roof rafters for finished attic spaces. A hole in your coat where cold air can get in and warm air can get out won t keep you comfortable just like gaps in insulation will cause a room to be less comfortable. If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top. This allows the termination of the batt in an area.

Blown in insulation often is a combination of loose fiberglass and treated cellulose fibers. If we think of a home s insulation like a coat in winter we can see how gaps will sacrifice overall comfort. It can be installed as blow in or batt insulation. Lay down boards or plywood sheeting to help you be able to walk safely in the attic space.