Standard attic stair covers will work on most any attic stair unless you have a unique situation like our house.
Attic hatch cover is a bit too small.
11 x 12 inch 91 sqft its a good thing i went in.
How small is.
Install a premade attic stair cover such as the owens corning attic stair insulator or duck brand attic stairway cover which sits over the attic stairs 40 50.
A scuttle hole is an attic entrance hole with just a panel as a cover.
There s a lot of different kinds of attic tents that are available.
25 54 attic stair cover r 50 insulation.
Scuttle holes will take a bit more to consider.
I had a tiny attic access hatch today less than 1 sq ft.
Installation is a bit different as the attic tent will be vertically attached to the walls instead of the floor.
I think the manufactures of these attic stair covers are a bit misleading.
It certainly makes a little sense to try to insulate this a little bit.
I found a truss that was cut in four places and patched with little scraps of 1x4 and a few nails a leak from a boot on the plumbing vent thru the roof with wet insulation and ceiling below as well as 80 of the soffit vents covered with blown insulation no baffles.
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Make sure to install the attic tent so you can access the zipper easily.
If you discover small gaps and cracks between the door when it is shut and the frame of the door the air is definitely flowing through this area which you do not want.
With several hundred sf of moderately to poorly insulated as well as air leaking ductwork in a typical attic an attic hatch consisting of poorly insulated and poorly sealed 8 square feet and 12 linear feet is a relatively minor concern.