How To Roll Faced Insulation Attic

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

How to roll faced insulation attic.

Set a t square or metal straightedge over the insulation and press it down firmly. In either case get an extra bag or roll you really don t want to run out when you re almost done putting it in. When adding more insulation to an attic that already has insulation use unfaced insulation. Spread plastic sheeting over the crawlspace to prevent ground moisture from entering the area.

Gather a dust mask gloves and eye protection and wear them along with a long sleeved shirt when working with batting insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. 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.

Extend the blade all the way out to provide a long sharp edge that perfect for cutting through thick insulation. Use a board to compact the insulation and provide a straight edge for cutting. Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless. Place the insulation with the facing side down on a piece of scrap plywood.

The fiberglass often used in batting causes skin and respiratory. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Overlap the seams by about 12 inches and run the plastic up the walls at least 6 inches. The number one prep step.

Check the insulation manufacturer s instructions for the necessary thickness of plastic. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Use our roll insulation calculator to estimate the amount of wall insulation crawlspace insulation or attic insulation you need for your project.

To cut thick batts or rolls of fiberglass insulation easily use an extendable utility knife that has snap off blades. Install batting between the attic s floor joists.