9021Aluminum Foil Tape (50 micron foil)

This aluminum foil tape is designed to be used in duct insulation. The tape offers good conformability, high holding power and long term performance. UL 723 listed. The tape comes with a liner.


SKU# 90214845

SKU# 90214890

SKU# 90217245

SKU# 90217290

Technical Data Sheet Article Document Brochure

Key Features

  • Listed UL 723 ‘’Test for Surface Burning Characteristics of Building Materials’’
  • Good conformability
  • High holding power
  • Long term performance
  • Good temperature resistance
  • Good reflectivity of heat and light
  • Comes with a liner


  • Join and seal duct work
  • Join and seal duct insulation
  • Insulation board and batts
  • Seaming, sealing and patching of fiberglass duct board and other foil faced products