An attic stair cover provides an air seal reducing the air leaks.
Diy attic ladder insulation.
Attic hatch or door.
An easy low cost solution to this problem is to add an attic stair cover.
Cut sides and top from sheets of 3 4 foam board with a utility knife.
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.
Attach the foam box to the floor with metallic tape.
At least my diy attic stair cover has insulation on all four sides and a nice tight seal.
Add the desired amount of insulation over the cover to restore the insulation removed from the ceiling.
Affix rigid foam insulation to the attic side of the hatch or door.
Much like attic stairs above when whole house fans are installed.
Assemble the sides of the box with metallic duct tape.
Measure the size and height of the stairs from the attic.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
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.
Whole house fans and ac returns.
The whole project cost about 30 for materials and took about 2 hours to complete.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Position the box over the stair opening in the attic.