The ceiling and insulation that were there have to be removed leaving only a thin unsealed sheet of plywood.
Drop down attic door insulation.
Pull down attic door insulation pull the stair kits can air as small as an easy access opening by installing foam tape i think this leak as fast and the kit or purchasing a regular bedroom air infiltration and the pull down ladder and stairs can air duct air leakage in some attic stairs is.
When attic stairs are installed a large hole approximately 10 square feet is created in your ceiling.
To insulate fold down attic stairs.
Cut sides and top from sheets of 3 4 foam board with a utility knife.
New codes require the attic access to be insulated to the same level as the attic.
Space attic access stairs battic door r50 insulation.
Attic stairs insulation cover for pull down stairway r value 15 5 extra thick air tight attic tent door stairway ladder insulator cover with easy zipper access 25 x 54 x 11 4 5 out of 5 stars 16.
Measure the size and height of the stairs from the attic.
Assemble the sides of the box with metallic duct tape.
Your attic space is ventilated directly to the outdoors.
Recap of tools and materials used for drop down attic stair insulation.