To insulate fold down attic stairs.
Attic stair insulation box.
The box should rest squarely on top of the attic stairs frame or on wood stops installed to support it.
Add insulation to the exterior of the plywood box.
More insulation 6 inches or 8 inches isn t uncommon.
That means that you should glue at least 4 inches of foil faced polyisocyanurate r 26 to the box.
With attic insulation we aim for a pretty high standard usually at least r 49 and the coffin insulation should match.
Assemble the sides of the box with metallic duct tape.
Measure the size and height of the stairs from the attic.
Attach the blanket insulation and wrap it.
Position the box over the stair opening in the attic.
Cut sides and top from sheets of 3 4 foam board with a utility knife.
Available in 1 standard size to fit most attic stairwell openings product is designed to cover access points up to 25 1 2 in.
The box is hinged on one side which makes.
Insulator is comprised of a durable pink fiberglas insulation and tough highly reflective foil.
Attach the foam box to the floor with metallic tape.
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.