3M™ Aluminum Foil Tape 3369 is a malleable, dead soft aluminum foil coated with a cold weather solvent acrylic pressure sensitive adhesive. At only 1.1 mil thick, the thinnest in the line, it applies easily to both fibrous and sheet metal ducts and conforms to irregular surfaces. This tape resists flame, moisture, weather, UV degradation and most chemicals for long-term durability.
Thinnest backing in the aluminum tape line at 1.1 mil
Ideal for use as a vapor seal for reinforced fiberglass or mineral wool thermal insulation
Combines quick adhesion with good low and high temperature performance
Acts as a vapor barrier to insure the integrity of insulation
Heat and light reflective tape protects while enhancing lighting efficiency