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.

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).

Ideal Tape Flex Seal 450 Product Data Sheet

Ideal Tape Flex Seal 450 Safety Data Sheet