Polyken 2.83 in. x 50 yds. 337 Multi-Purpose Foil Tape

Polyken 337 Multi-Purpose Foil Tape is great for sealing joints and seams in duct work for A/C, heating, and ventilation systems. Also can be used to seam and patch insulation materials. Good all-weather performance.|General purpose industrial and HVAC uses|Conformable to fit corners and joints|UV and moisture resistant|Mold and mildew resistant|Extreme high tack, aggressive bond to surfaces|Meets flammability requirements for use in construction and marine applications