Affix rigid foam insulation to the attic side of the hatch or door.
How to add batt insulation to attic.
You can add loose fill on top of fiberglass batts or blankets and vice.
According to the u s.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Pull down stair or ladder.
Add the right kind of insulation.
Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
Multiply the number of inches of insulation by the r value per inch.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below.
The vapor retarder on top of or between layers of insulation can trap moisture.
Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.
Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.