3M
3M 34383 Foil Tape 1 in x 60 yd Silver
Silver aluminum foil tape with acrylic adhesive withstands temperatures from -40 to 300 degrees Fahrenheit
- ColorSilver
- Withstands extreme cold down to -40 °F
- Handles high heat up to 300 °F
- Acrylic adhesive bonds reliably across temperature range
- Aluminum foil construction resists moisture and tears
- 60-yard roll covers large duct runs efficiently
3M 34383 Foil Tape for HVAC Sealing
3M 34383 is a silver aluminum foil tape designed for HVAC sealing and general maintenance tasks. The acrylic adhesive bonds reliably across a wide temperature span. It suits technicians and facility managers who need a durable closure for ductwork and sheet metal. The continuous roll format supports long runs without frequent changeovers.
Simple hand application with liner removal
The tape is self-wound so no separate liner must be peeled before use. Press firmly along the full length to activate the acrylic bond on clean, dry metal. Dust, oil or moisture on the surface are the main causes of adhesion failure. Avoid stretching the foil excessively during application to prevent tearing.
Verify indoor use and temperature limits
Confirm the installation environment stays within the rated range of -40 to 300 degrees Fahrenheit. The product is specified for indoor service only and should not be exposed to direct weather. Ensure the substrate is compatible with acrylic adhesive before committing to a full job. The one-inch width and sixty-yard length define the coverage per roll.
Highlights
- Withstands extreme cold down to -40 °F
- Handles high heat up to 300 °F
- Acrylic adhesive bonds reliably across temperature range
- Aluminum foil construction resists moisture and tears
- 60-yard roll covers large duct runs efficiently
Specifications
| Brand | 3M |
|---|---|
| Color | Silver |
Questions about this item
How can I tell the 3M 34383 foil tape is holding properly after I apply it?
The tape should bond firmly to clean metal ductwork across its full one‑inch width and stay intact through temperature swings from minus forty to three hundred degrees Fahrenheit without lifting or cracking.
What comes in the box and what must I buy separately?
You receive one continuous roll of silver aluminium foil tape measuring one inch by sixty yards with an acrylic adhesive; no backing liner, dispenser or cutting tool is included.
Which width and length combination should I choose for sealing standard duct joints?
The one‑inch by sixty‑yard roll matches typical residential duct seams and provides enough length for multiple joints in a single roll.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.



