Pros, Join Our TradeMaster Program!
3M Venture Tape Aluminum Foil Tape 1521CW is a 1.4 mil, high-strength, dead soft aluminum foil tape coated with a cold weather pressure sensitive acrylic adhesive that excels in demanding temperatures and humidity applications. This tape offers superior resistance to weathering, mold, UV and extreme environmental conditions. It excels in demanding temperature and humidity applications and is designed for vapor sealing applications on ductwork and exterior insulation materials. A dead soft aluminum backing conforms around corners and to curved and irregular surfaces with ease. It is an ideal choice for applications on fibrous and sheet metal ductwork. The tape is hand tearable and installs easily, eliminating the need for additional tools or application methods.

3M Venture Tape Aluminum Foil Tape 1521CW is UL723 classified (10/10 5/10 Flame/Smoke Rating) [UL file #R10984]. It is U.S. Coast Guard Approved (CGA #164.112/63/0).

  • High-strength, dead soft aluminum backing is ideal for applications on fibrous and sheet metal ducts
  • Cold weather acrylic adhesive applies easily at temperatures well below freezing
  • Specifically designed to perform in cold weather applications
  • High puncture and tear resistance ensures long life and durability in a variety of applications and environments
  • Flexible backing conforms well to curved or irregular surfaces
  • Hand tearable and easy to install on site without special tools or application methods
Read more
Manuals (1)
Aluminum Foil
Speak with a real person who will go out of their way to help!
Open Now:
Monday – Thursday
8am–7:45pm ET
8:30am–7:45pm ET

Product Reviews

Product Q&A

Add-on Item

This item is cost-prohibitive to ship on its own but is available to ship with orders over $200.

Why don't we show the price of this item?

We try to always offer you the lowest prices possible, but some manufacturers require that we only show these low prices once you take further action.

To see the price, simply add the item to your cart or sign in.