Step 1 apply weather stripping apply weather stripping to the perimeter of opening not the attic door cover.
How to insulate an attic knee wall door.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
More details online 1.
Insulating attic access attic hatch scuttle hole.
Apply weather stripping to the door to create a seal.
Then cover that same area with an r 8 fsk affixing it using cap nails.
Another alternative for knee walls conditions is to remove and reinstall the batt insulation to qii standards.
Now that the kneewall is.
Then either fiberglass batts secured in place or netted cellulose is used to fill the rafter cavities.
Once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
In the case of a knee wall door insulate the walls.
In tight attics or odd shaped wall conditions i e.
One of the best methods is rigid foam board with sealed joints over insulation in the knee wall.
Now a note on materials for insulating the actual knee wall.
Air sealing and insulating the knee wall can make the attic space warmer more efficient and more comfortable.
This ensures a tight seal between the door and the opening.
The other is spraying at least 2 of closed cell spray foam directly onto the roof deck encapsulating the rafters.
For insulation create a lightweight box that fits over the stairs and can be moved to allow entry.
Cover rafters with an air barrier.
Bring the attic inside insulating between the rafters simplifies the air sealing details.
There are as many ways to do it as there are people who do it.
The attic hatch or scuttle hole is a removable panel in the dry walled ceiling located in.