Build Plan For Attic Stairs Cover Box

The tuff r has an r value of 13 for 2.

Build plan for attic stairs cover box.

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. Even at 1 inch thick there was only 2 inches between the finished top and the rafter. Add your own desired amount of insulation not included to cover the top of the stair cover box. Build plan for attic stairs cover box the raku family continues making their pottery in chijiro s tradition.

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. The box should rest squarely on top of the attic stairs frame or on wood stops installed to support it. The box is hinged on one side which makes. 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.

Stair cover box is 13 in. To build the attic stair cover i decided to use two inch thick foil faced foam board by dow tuff r. 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. Deep and fits most any brand of wood or aluminum 25 in.

Interior dimensions of box are 21 in. I used 1 4 8 with an r value of 3 85. If i had more space between the rafter and the attic opening i would have used a thicker sheet.