Spray foam insulation home dependent once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
How to insulate your attic stairs.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
Insulate the bottom side of stairs.
To fix the problem install foam weather stripping around the perimeter of the attic stair opening or construct an insulating stair cover.
Then take your self adhesive foam weather stripping and apply it all around the perimeter of where the frame and the door meet.
Begin by checking to see if the attic stairs close tightly then apply self adhesive foam weather stripping around the perimeter where the plywood door meets the frame except on the hinge end.
Use spray foam to air seal these openings if they exist.
Pull down the attic stairs and take the attic tent into the attic.
Purchase an attic tent at a building supply store or online.
Effectively insulating a house isn t rocket science but there are a few areas that folks forget to account for which can result in quite a large amount of heat loss.
Insulating attic stairs and properly insulating basement walls.
Some areas that get overlooked include.
More insulation 6 inches or 8 inches isn t uncommon.
Apply weather stripping first check that your folding attic stairs are able to close securely and tightly.
The other are that is often overlooked.
Do not apply the weather stripping to the hinge end.
Check the label to ensure it s large enough to insulate an attic with pull down.
That means that you should glue at least 4 inches of foil faced polyisocyanurate r 26 to the box.
Add insulation to the exterior of the plywood box.