That means that you should glue at least 4 inches of foil faced polyisocyanurate r 26 to the box.
Attic stair insulation box.
Position the box over the stair opening in the attic.
The box is hinged on one side which makes.
Attach the blanket insulation to the attic side of the cover box with adhesive and wrap it with building wrap or other air barrier to prevent air movement in the insulation from degrading its r value.
With attic insulation we aim for a pretty high standard usually at least r 49 and the coffin insulation should match.
To insulate fold down attic stairs.
Available in 1 standard size to fit most attic stairwell openings product is designed to cover access points up to 25 1 2 in.
Insulator is comprised of a durable pink fiberglas insulation and tough highly reflective foil.
Product comes fully assembled and is easy to install and remove.
Attach the blanket insulation and wrap it.
More insulation 6 inches or 8 inches isn t uncommon.
Assemble the sides of the box with metallic duct tape.
The box should rest squarely on top of the attic stairs frame or on wood stops installed to support it.
An attic insulation box covers the attic ladder with insulation which stops the flow of air into your house and eliminates any drafts around the opening.
Measure the size and height of the stairs from the attic.
Attic stairs insulation cover for pull down stair attic tent 25 x 54 x 11 r value 15 3 extra thick fireproof attic stairway insulator easy installation 4 8 out of 5 stars 104 10 off.