Ductmate : DM 440™ Gasket Tape

Our Products

DM 440™ Gasket Tape

Basic Use

High quality sealing tape for use with Ductmate’s 4-bolt connection systems.  Also suitable for use with other rectangular flange systems which require gasket.

Product Spec Sheets Material Safety Data Sheets


This product is a high quality sealing tape developed for use with Ductmate’s 4-bolt connection systems.  Ductmate 440 tape has the widest range of application temperatures of any material on the market, ensuring a positive seal and ease of application under extreme conditions. 

Special Characteristics

  • Wide range of application temperatures
  • Works under extreme conditions
  • Non-hardening
  • LEED® Compliant
  • Good adhesion to galvanized, aluminized, stainless steel, and other metal surfaces
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