Install Batt Insulation In Attic

Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches.

Install batt insulation in attic.

Unfold the mounting tab along each vertical edge of the batt. 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. Begin laying in the insulation starting at an area farthest from the attic access image 1. How to install owens corning fiberglass batt insulation in the ceiling.

Measure the depth of the existing insulation between the ceiling joists in the. Old insulation is removed and the attic space is cleaned out. Measure your attic s square footage. Use a staple gun and.

Check the insulation manufacturer s instructions for the necessary thickness of plastic. Verify the height allows for 1 inch of required air space. Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way. Measure the length and width of the attic and multiply the two figures to determine the total square footage.

Fastening insulation gently press the insulation between two studs with its moisture barrier facing out toward the room. Lay the batts across the ceiling joists covering the existing insulation. 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. The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.

Measure and mark the height on the baffle. Cut the insulation roll or batt to fit the length of the framing cavity if necessary. For all eaves with vents fasten bottom of baffle in place to allow insulation to completely cover the top plate. 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.

Fit the insulation into the framing cavity starting at the top for walls. Spread plastic sheeting over the crawlspace floor to block ground moisture from entering the area. Cut side fin and fold baffle at the measured mark to allow for correct insulation height. Flatten the tabs against the front edge of the stud on each side of the batt.

Place the insulation with the. When rolling the insulation cut it to length using a utility knife. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.