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Silver aluminum foil tape roll on release liner, 3 inches wide

FindTape

FindTape DSAF2 High Temperature Foil Tape 3 in x 50 yds Silver

SKU CH-WC7G-4Y4EB

High-temperature aluminum foil tape rated to 260 °F and -20 °F with aggressive rubber adhesive for HVAC duct sealing and moisture barriers

  • TypeFoil Tape
  • ColorSilver
  • Withstands 260 °F for demanding HVAC sealing
  • Remains flexible down to -20 °F in cold environments
  • Aggressive rubber adhesive delivers instant grab on contact
  • Dead-soft 2 mil foil conforms to irregular curved surfaces
  • 50-yard roll on liner covers large ductwork projects

HVAC Duct Sealing Tape

This aluminum foil tape is built for HVAC professionals who need reliable sealing of duct joints and connections. The dead soft foil conforms tightly to irregular metal surfaces, creating a durable moisture barrier. It also serves appliance technicians securing wires and sealing canisters. Buyers who need a structural repair tape or a non-metallic masking product should choose a different category.

Sustained Temperature Performance

The tape maintains adhesion across a continuous range from -20 degrees F up to 260 degrees F without degrading. Its aggressive rubber adhesive delivers strong quick stick and lasting holding power through thermal cycling. The release liner protects the adhesive until application, ensuring full bonding strength when installed. Installers working outside this temperature window must select a different sealing method.

2 Mil Dead Soft Foil Construction

The backing uses a 2 mil dead soft aluminum foil that yields a total thickness of 4 mils, allowing the tape to wrap complex curves without spring-back. This specific foil gauge determines whether the tape will bridge gaps and seal seams on the ductwork or equipment at hand. If the application requires a thicker or rigid backing, this product will not meet the requirement.

Highlights

  • Withstands 260 °F for demanding HVAC sealing
  • Remains flexible down to -20 °F in cold environments
  • Aggressive rubber adhesive delivers instant grab on contact
  • Dead-soft 2 mil foil conforms to irregular curved surfaces
  • 50-yard roll on liner covers large ductwork projects

Specifications

TypeFoil Tape
ColorSilver

Questions about this item

Will the 260°F temperature rating hold if the tape runs continuously on a hot duct?

The tape is rated for temperatures up to 260°F and down to -20°F, so it is designed to withstand continuous exposure on hot ductwork without degrading.

Do I need a separate release liner or applicator to use this tape?

The product already comes on a release liner; you simply peel the liner off and apply the tape by hand — no extra applicator is required.

Can I stick this foil tape directly onto the galvanized steel duct I already have?

Yes, the aggressive rubber adhesive bonds well to galvanized steel and other metal surfaces commonly found in HVAC systems.

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