Install Batt Insulation In Attic

Spread plastic sheeting over the crawlspace floor to block ground moisture from entering the area.

Install batt insulation in attic.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. 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. Unfold the mounting tab along each vertical edge of the batt.

Measure your attic s square footage. 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. Measure the depth of the existing insulation between the ceiling joists in the. Measure and mark the height on the baffle.

Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way. 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. Old insulation is removed and the attic space is cleaned out.

The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses. Use a staple gun and. For batts or rolls calculate the number based on the width and length of the product you re using. Place the insulation with the.

Lay the batts across the ceiling joists covering the existing insulation. Cut the insulation roll or batt to fit the length of the framing cavity if necessary. Flatten the tabs against the front edge of the stud on each side of the batt. When rolling the insulation cut it to length using a utility knife.

Cut side fin and fold baffle at the measured mark to allow for correct insulation height. You ll need this figure to. For loose fill read labels. For all eaves with vents fasten bottom of baffle in place to allow insulation to completely cover the top plate.

Verify the height allows for 1 inch of required air space. 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.