Insulation help..

Perhaps a little off topic...?
I was looking for some insulation to insulate a set of attic-access stairs. I remember using something when I lived in North Carolina that had an extremely high R-Value but was only 1.5-2" thick. It was a high density black foam with a removable blue backing, behind which was an adhesive of some sort. It fit perfectly underneath the steps on the drop-down access...and provided ample insulation for an area prone to heat loss.
Now I am living in Ottawa, Ontario and could greatly benefit from the high R-Value and thin profile of this product. Unfortunately I can't find anything similar in this area.
Anyone know of something similar or another good alternative to my problem?
Thanks a million! Corey
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For an area that big (maybe 12 sq ft or so) I would just use 2" rigid foam insulation (like Owens Corning FOAMULAR) from a home building center. Has to be about R-10, which is great for an area so small.
I built a couple of semipermanent insulting garage doors by sandwiching this stuff between some OSB, and it is wonderful.
Matthew

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Foamular is Owens Cornings brand of extruded polystyrene, commonly called styrofoam. A two-inch thickness provides an R-10 factor. The question is can you get to the backs/undersides of the attic stair treads and risers to install it?

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We manufacture an insulating cover to conserve energy loss through these stairs - you can add your desired amount of insulation and we offer an R-50 insulating kit as well. Our website is www.batticdoor.com
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