3M FSK Facing Tape 3320 Silver

3M FSK Facing Tape 3320 is a high performance reinforced insulation tape of Foil/Scrim/Kraft. UL Listed and Mold Resistant. FSK has a special acrylic adhesive which excels in very cold and hot temps. Use for a vapor barrier on fibrous duct board for sheet metal ducts.

  • FSK HVAC aluminum foil tape/scrim/laminate. 6.0 mil thick foil backing. UL 723 Classified.

  • Engineered specifically as a vapor retardant tape to seal mineral wool foil-faced insulation, bare sheet metal ducts, and blanket style fiberglass duct insulation.

  • Long lasting acrylic adhesive

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