Deep and fits most any brand of wood or aluminum 25 in.
Build plan for attic stairs cover box.
Attach the blanket insulation to the attic side of the cover box with adhesive and wrap it with building wrap or other air barrier to prevent air movement in the insulation from degrading its r value.
Add your own desired amount of insulation not included to cover the top of the stair cover box.
The tuff r has an r value of 13 for 2.
The box is hinged on one side which makes.
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An attic insulation box covers the attic ladder with insulation which stops the flow of air into your house and eliminates any drafts around the opening.
Even at 1 inch thick there was only 2 inches between the finished top and the rafter.
The first piece of the attic stair cover is installed between the truss members while the second piece installs over the plywood sub floor and overlaps the first piece.
Build plan for attic stairs cover box the raku family continues making their pottery in chijiro s tradition.
Stair cover box is 13 in.
I used 1 4 8 with an r value of 3 85.
Diy attic stair cover materials.
1 ridged insulation sheet 4 x 8 2 aluminum tape 10 yrds 3 duck tape and 4 self adhesive foam insulation strip i needed 13 feet.
The box should rest squarely on top of the attic stairs frame or on wood stops installed to support it.
Interior dimensions of box are 21 in.