Foil Tape, Common Industry HVAC/R, Environment Outdoor, Imperial Tape Length 60 yd, Imperial Tape Width 2 1/2 in, Maximum Tape Performance Temperature 325 Degrees F, Minimum Tape Performance Temperature -25 Degrees F, Series 339, Tape Adhesive Material Acrylic, Tape Backing Material Aluminum Foil, Liner Included Liner Included, Liner Material Kraft Paper, Tape Adhesive Format Single-Sided, Standards UL 181A-P, UL 181B-FX, Tape Color Silver, Tape Resistance Properties Mold-Resistant