Install Batt Insulation In Attic

Lay the batts across the ceiling joists covering the existing insulation.

Install batt insulation in attic.

For loose fill read labels. When rolling the insulation cut it to length using a utility knife. Flatten the tabs against the front edge of the stud on each side of the batt. Unfold the mounting tab along each vertical edge of the batt.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. How to install owens corning fiberglass batt insulation in the ceiling. Each bag lists the required depths for a range of r values and the number of bags needed to cover 1 000 square feet at those depths. Old insulation is removed and the attic space is cleaned out.

Fit the insulation into the framing cavity starting at the top for walls. Place the insulation with the. Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches. Check the insulation manufacturer s instructions for the necessary thickness of plastic.

Spread plastic sheeting over the crawlspace floor to block ground moisture from entering the area. Verify the height allows for 1 inch of required air space. When you reach the end of a line pull the insulation back slightly then place it on a joist so there is a solid surface to cut on. Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.

Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room. For all eaves with vents fasten bottom of baffle in place to allow insulation to completely cover the top plate. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.

Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home. Measure the length and width of the attic and multiply the two figures to determine the total square footage. Measure your attic s square footage. You ll need this figure to.

Measure and mark the height on the baffle. Measure the depth of the existing insulation between the ceiling joists in the. Cut side fin and fold baffle at the measured mark to allow for correct insulation height.