How To Add Batt Insulation To 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 add batt insulation to attic. To apply it simply cut it along the side of the insulation slip it over the pipes and then re seal it with tape. 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. To keep the blown in insulation from falling through the attic hatch opening make a 2x12 dam around the hatch perimeter.

Check the depth using a tape measure. Another method of insulating skylights is to use batts with facing between the studs and then cover the entire passage with rigid foam insulation. Lay the batts perpendicular to the joists so. You can add loose fill on top of fiberglass batts or blankets and vice.

Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling. How to install attic insulation over existing insulation wear a long sleeve shirt gloves eye protection and a dust mask. Install fiberglass batts over existing batt insulation. Start at the lowest part of the attic where the roof meets the outer wall and unroll the insulation perpendicular to the joists back toward the.

What you are going to want to do is measure the diameter of the pipes in your attic and then buy pipe insulation to fit the size. How do i add insulation to existing attic insulation. The house wrap helps hold the insulation in place and slows airflow. The foam can be secured to the studs with cap nails.

Measure how much insulation you already have. Cut two layers of r 19 fiberglass batt insulation slightly larger than the hatch and staple duct tape to the hatch edges to secure it in place. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Carry a batt to the far end of the attic.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.