Ideal Tape Flex Seal 450

Flex Seal 450 is a printed polypropylene film with a high performance acrylic adhesive system. The product is available in two colors: black with silver print and silver metallized with black print.

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Product Description


Flex Seal 450 is specifically designed for use as a closure system on flexible air ducts and connections.

Performance Features

  • UL 181B-FX approved
  • Protects against flame spread and smoke generation.
  • Resistant to mold growth.
  • Not affected by extremes in temperature.
  • Provides superior adhesion to flex duct.
  • Contractor friendly (Hand tearable, conformable, flexible).

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General Insulation Company Inc. is an insulation supplier / insulation distributor that stocks and fabricates a wide variety of industrial and commercial air barrier, vapor barrier, moisture and water barrier products for the construction market.

Ideal Tape Flex Seal 450 Product Data Sheet

Ideal Tape Flex Seal 450 Safety Data Sheet