A Tape with Versatility
Originally developed for heating, ventilating and air conditioning (HVAC) applications, duct tape is used today in a variety of maintenance, repair and construction settings. Due to its unique design and price, , 3M™ Contractor Grade Pro Strength Duct Tape 3979 is a strong choice for general indoor, everyday duties where strength and moisture resistance are necessary. The contractor-grade tape can also be used at temperatures as high as 200°F for up to 30 minutes.
3M™ Contractor Grade Pro Strength Duct Tape 3979 comes with a classic, silver-colored backing. Our sturdy cloth-reinforced tape can be torn from the roll and sticks instantly, providing a wide range of convenient solutions.
Recommended Applications
- Patching
- Bundling
- Reinforcing
- Tabbing
- Taping/splicing insulation
- Capping pipe
- Securing conduit ends
- Marking
- Labeling
- Temporary repair
- Hanging polyethylene drapes
- Protecting against light sandblast overspray
Built to Stick
3M’s family of rugged cloth and duct tapes adheres to most surfaces for applications ranging from bundling to moisture proofing, sealing to splicing, reinforcing to hanging poly drapes. Available in a variety of colors and strengths, they’re known best for their hand tearability, high tensile strength and conformability.

3M 28135, Hookit Clean Sanding Disc 900DZ, 6 in P100 J-weight, Die 500LG, 7010300153
Insize MLP-HCM102, AUTOMATIC TUTTING MACHINE (ADVANCED TYPE), 100mm, 6974029771613
Dynabrade 51630 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
Dynabrade 51811 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 1000,000 RPM, 1/16" Collet
3M 65086, Scotch-Brite Diamond Wheel, 6" x 1" x 1" 645DC, 7010329878
Dynabrade 51633 .1 hp Straight-Line Extension Pencil Grinder, Central Vacuum, 1/8" Collet
3M 26585, Accuspray Atomizing Head Refill Pack for 3M PPS Series 2.0,Clear, 1.8 mm, 7100152955
Norton 66253370793 - 4 1/2" X 1/4" X 5/8"-11 Centert Hub, Quantum3 Ceramic Type 27 Depressed Center Grinding Wheel, 10 Each
3M 22395, Roloc Disc 361F, 60 YF-weight, TR, 3 in, Die R300V, 7000045098 
