Adding Unfaced Insulation Attic

Inspecting and evaluating your insulation.

Adding unfaced insulation attic. Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Insulating attic floors unfinished or uninsulated attics need a layer of protection against air migration. You can add loose fill on top of fiberglass batts or blankets and vice versa.

Pull down stair or ladder. 3 have a friend add material to the hopper. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. When adding a second layer of insulation in the attic unfaced should always be used so that moisture is not trapped inside the insulation. How to install attic insulation over existing insulation you can install fiberglass batts yourself right over existing insulation but follow these precautions. Faced insulation if the attic doesn t have any existing insulation use faced insulation with the paper facing toward the heated living space.

When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Attic hatch or door. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Temporary flooring should be laid across the joists to provide some footing and a temporary work light should be installed. Wear a long sleeve shirt gloves eye protection and a dust mask. To determine whether you should add insulation. Watch this video to find out more.

It needs to be unfaced. Affix rigid foam insulation to the attic side of the hatch or door. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Unfaced insulation when adding more insulation to an attic that already has insulation use unfaced insulation.

Check the attic walls and floors adjacent to an unheated space like a garage or basement. Install batting between the attic s floor joists. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing.