Aluminum Foil Tape Ideal for HVAC Applications
Designed for performance even in very cold temperatures, 3M™ Venture Tape™ Aluminum Foil Tape 3520CW is a 2.0 mil aluminum foil tape that excels in demanding applications. Its foil backing and cold-weather pressure sensitive acrylic adhesive perform in temperatures from -40 to 250°F/-40 to 121°C. The aluminum foil backing conforms well around corners and to irregular surfaces. This tape provides an excellent vapor seal in various duct sealing applications. It is hand tearable and installs easily, eliminating the need for additional tools or application methods.
3M™ Venture Tape™ Aluminum Foil Tape 3520CW is UL723 Classified (10/10 Flame Smoke Rating).
Recommended Applications
- Vapor seals for fibrous and sheet metal ducts
- Heavier general purpose construction applications
Excellent Cold Weather Performance
3M™ Venture Tape™ Aluminum Foil Tape 3520CW is coated with a special cold weather, pressure sensitive acrylic adhesive system that performs exceptionally well in cold weather conditions, yet still excels at normal and elevated temperatures. It adheres immediately on contact to a variety of materials, including fibrous and sheet metal ducts. Once bonded, this tape features good aging properties that resist lifting and curling over time.
3M™ Metal Foil Tapes
Aluminum is just one of the metal-backed tapes available from 3M. Our foil tapes resist failure from common sources of degradation including moisture, ultraviolet rays and many chemicals, and are commonly used for reflecting, wrapping, masking, sealing, and more in applications from air ducts to washing machines. As with all 3M products, our 3M™ Venture Tape™ Aluminum Foil Tape 3520CW is supported by exclusive 3M technical expertise and application advice. 3M Aluminum foil tapes are suitable for demanding applications in construction, aerospace, automotive, appliance, maintenance, repair and operations and many more segments. They are also thermally conductive for heating/cooling efficiency.
Bringing Better Ideas to the Surface through Science
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy.
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
3M 19771, Utility Cloth Sheet 314D, 9 in x 11 in P100 J-weight, 7000021272
Dynabrade 90873 2" Dia. Medium NWN DynaBrite Locking-Type Disc, 25/pack
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
3M 09093, Drywall Sanding Sponge 9093DC, Dual Grit Block, 3-3/4 in x 2-5/8 in x 1 in, Fine/Medium, 7100180421
Dynabrade 94820 - 3/8" ID, 5' Long Air Hose Assembly, Female/ Male Fitting Ends Included
Dynabrade 22090 2-3/4" x 5" Hand Sanding Block
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
3M 36881, Self-Stick Liquid Protection Fabric, Blue, 48 in x 300 ft, 7100169351
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 02126, Extra Large Angled Drywall Sanding Sponge 910-DSA, 2-7/8 in x 8 in x 1 in, 7010375246
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
Dynabrade 92208 1/8" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
ACS Diamond Cloth Belt, CX1250 5/8" X 120" 125U
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068 
