Installing Faced Fiberglass Batt Insulation In Attic

Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but.

Installing faced fiberglass batt insulation in attic.

Made up of sand and recycled glass fiberglass is great for thermal insulation but offers some sound absorption as well. If we think of a home s insulation like a coat in winter we can see how gaps will sacrifice overall comfort. You can use either faced or unfaced batting for this installation. Lay down boards or plywood sheeting to help you be able to walk safely in the attic space.

Set a t square or metal straightedge over the insulation and press it down firmly. 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. 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. When installing fiberglass insulation observe all safety precautions.

When using insulation that has either paper or plastic facing. Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation. Fiberglass can release tiny fibers which can be harmful if breathed into the lungs and which may irritate the skin. A 9 5 inch batt is a standard for fiberglass batt insulation.

The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. 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.

Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Project description experienced in handling heavy commercial projects oj insulation installed fiberglass batts with foil facing in the ceiling areas of a bus station using reliable stick pins and mechanical fasteners to keep the insulation from falling out of place. 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. It can be installed as blow in or batt insulation.

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. Install batting between the roof rafters for finished attic spaces. This type of insulation is typically the most common and most cost effective. Place the insulation with the facing side down on a piece of scrap plywood.