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 add batt insulation to attic.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Check the depth using a tape measure.
Add the right kind of insulation.
How to install attic insulation over existing insulation wear a long sleeve shirt gloves eye protection and a dust mask.
Make sure that the entire lengths of the pipes are covered to ensure maximum protection.
The foam can be secured to the studs with cap nails.
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.
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.
Another method of insulating skylights is to use batts with facing between the studs and then cover the entire passage with rigid foam insulation.
Install fiberglass batts over existing batt insulation.
How do i add insulation to existing attic insulation.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Lay the batts perpendicular to the joists so.
You can add loose fill on top of fiberglass batts or blankets and vice.
Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
To keep the blown in insulation from falling through the attic hatch opening make a 2x12 dam around the hatch perimeter.
The house wrap helps hold the insulation in place and slows airflow.
To apply it simply cut it along the side of the insulation slip it over the pipes and then re seal it with tape.
Carry a batt to the far end of the attic.
Put on goggles and gloves to protect yourself while handling.
Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.