2 mil dead soft high tensile aluminum foil coated with an extremely aggressive synthetic rubber adhesive that provides a tight positive grab when smoothed down on work surfaces with a removable paper liner. It is used in fiberglass duct board systems on seams & joints to maintain the integrity of the vapor barrier. It can also be used on FSK systems. Malleable foil conforms well to irregular & curved surfaces.

Specifications Value
Total Thickness 3.6 mil
Peel Adhesion 91 oz/in
Tensile Strength 17.1 lbs/in
Elongation 3.5%
Temperature Range -22ºF to 248ºF