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 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
3M 22409, Roloc Disc 361F, P120 XF-weight, TR, 1-1/2 in, Die R150S, 7000045103
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M 22394, Roloc Disc 361F, 50 YF-weight, TR, 3 in, Die R300V, 7000045096
Dynabrade 78127 3" Dia. Medium NWN VT DynaBrite Locking-Type Disc, 25/pack
3M 85652, Thermosetable Glass Cloth Tape 3650, White, 4 in x 60 yd, 8.3 mil, 7010373472
3M 63738, Contractor Grade Multi-Use Duct Tape 2979, Silver, 1.88 in x 60 yd, 7010335692
3M 14999, Flexible Diamond Hand Lap 6200J, M125 Mic, 2-1/4 in x 3-3/4 in, 7000045665
3M 97841, Value Duct Tape 1900, Silver, 1.88 in x 60 yd, 5.8 mil, 7010375734
3M 50013, Venture Tape Cloth Duct Tape 1500, Silver, 72 mm x 55 m (2.83 in x 60.1 yd), 7010337384
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 11476 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
3M 77154 Scotch-Brite Durable Flex Belt, 1/2 in x 18 in, A FIN, Trial Pack, 7010310032
Dynabrade 78182 3" Dia. Medium DynaBrite Locking-Type Disc, 25/pack
3M 08858 Scotch-Brite Surface Conditioning Belt, 1/2 in x 18 in, A CRS, 7000028455
3M 26597, Cloth Belt 341D, P320 X-weight, 1 in x 42 in, Film-lok, Single-flex, 7010294511, 200 per case
Dynabrade 79202 1/2" W x 12" L Belt Assortment Pak
3M 98514, Premium Matte Cloth (Gaffers) Tape GT2, Black, 48 mm x 50 m, 11 mil, 7010336132
3M 23897, Cloth Belt 777F, 60 YF-weight, 1 in x 18 in, Fabri-lok, Full-flex, 7010307894, 200 per case
Dynabrade 92209 1/8" W x 12" L 220 Grit A/O DynaCut Belt, 50/pack
Dynabrade 95848 Dynabrade Gear Oil
3M 05048, Cloth Belt 384F, 80+ XF-weight, 1 in x 12 in, Fabri-lok, Full-flex, 7100141432, 200 per case
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
3M 65083, Scotch Brite Roloc Deburr & Finish PRO Unitized Wheel, DP-UR, 6C Medium+, TR, 3 in x 1/4 in x NH, 7100081365
Standard Abrasives 713638, Cartridge RoII Mandrel, 3/32 in x 3/4 in x 1/8 in x 1 in x 2-3/4 in CM-2B, 7010294964
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
3M 15511, Scotch-Brite EXL Unitized Wheel, XL-UW, 8A Coarse, 2 in x 1/8 in x 3/16 in, 7000045947
ACS 1/2 in x 24 in Diamond Metal Bond Belt, 60M/250u
3M 77115, Scotch Brite Roloc Deburr & Finish PRO Unitized Wheel, DP-UR, 4C Medium+, TR, 2 in x 1/4 in x NH, 7100086108
Insize 4120-16, METRIC THREAD RING GAGE, GO, M16x2, 6928640341496
3M 26515, Cloth Belt 341D, P180 X-weight, 6 in x 48 in, Film-lok, Single-flex, 7000118795, 20 per case
3M 45714, Cubitron II Hookit Cloth Disc 947A, 120+ X-weight, 3 in x NH, D/F 3HL, Die 300BE, 7100113113
Dynabrade 80459 HEPA 13 Vacuum Cartridge Filter
Dynabrade 51706 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 35,000 RPM, 1/8" Collet
3M 26129, PPS Series 2.0 Adapter, Type S34, 3/8 Female, 18 Thread NPS, 7100135938
3M 10119, Synthetic Steel Wool Pad 10119NA, 0000 Super Fine, 7000126181
3M 28217, Cubitron II Roloc Disc 984F, 60+ YF-weight, TR, 3 in, Die R300V, 7010326790
3M™ 94275, Versaflo™ Gold Coated Tinted Over-Visor with UV/IR Protection M-967N, 70071696879, 1 EA/Case
3M 10118, Synthetic Steel Wool Pads, 10118NA, #0 Fine, 7000126148
Dynabrade 13509 Dynastraight Finishing Tool, Rear Exhaust, 6,000 RPM, 5/8" (16 mm) or 1" (25 mm) Dia. Arbor
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 01563, Scotch-Brite Cut and Polish Unitized Wheel, CP-UW, 5A Fine, 3 in x 1/4 in x 1/4 in, 7100001111
Standard Abrasives 32985, Aluminum Oxide Overlap Disc, 714721, 60 Grit, 2 in x 8-32 x 2 Ply, 7100116380 
