An easy low cost solution to this problem is to add an attic stair cover.
Diy attic ladder insulation.
Pull down stair or ladder.
Position the box over the stair opening in the attic.
To insulate fold down attic stairs.
Attic hatch or door.
The whole project cost about 30 for materials and took about 2 hours to complete.
Measure the size and height of the stairs from the attic.
Affix rigid foam insulation to the attic side of the hatch or door.
Add the desired amount of insulation over the cover to restore the insulation removed from the ceiling.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
An attic ladder makes every flounder and down from the attic less complicated quicker and also safer.
An attic stair cover provides an air seal reducing the air leaks.
At least my diy attic stair cover has insulation on all four sides and a nice tight seal.
Cut sides and top from sheets of 3 4 foam board with a utility knife.
Even though the store bought attic stair covers boast an r value of 50 i doubt that s the case based on the lack of side insulation.
Attach the foam box to the floor with metallic tape.
An attic ladder is a retracting stair that pulls down from the ceiling to give access to the attic area after that folds up into a ceiling framework off the beaten track when it is not needed.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.