It comes in a standard size in order to fit a wide range of attic openings.
Build your own attic stairway insulator.
As such you won t have any problems trimming the insulator.
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Nail the strapping wood to the wall joists under the.
After closing the opening measure its dimensions and then cut four lengths of foam to form a box that fits into the door opening.
Cut sides and top from sheets of 3 4 foam board with a utility knife.
Attach the foam box to the.
If you choose to build your own insulated lid you ll need to make a strong airtight box out of thick rigid foam.
If you have a drop down attic stairs pull up the stairs and close the opening completely.
The tuff r has an r value of 13 for 2 inches and a foil facing which works great as a radiant heat barrier as well.
Position the box over the stair opening in the attic.
1 knife 2 tape measure 3 straight edge and.
Measure the size and height of the stairs from the attic.
Assemble the sides of the box with metallic duct tape.
In addition to protecting the temperatures within the home insulating your stairs will conserve energy and lower your monthly utility bills.
The foil faced insulation board is also really easy to connect to other pieces using foil tape.
To build the attic stair cover i decided to use two inch thick foil faced foam board by dow tuff r.
Step 1 measure the dimension of the opening.
To insulate fold down attic stairs.
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The owens corning is a high quality attic stairway insulator.
2 adjust the dimensions to accommodate your opening and the thickness of the foam board you choose.
It is made of durable fibreglass insulation along with a highly reflective and tough foil.