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 74808, Cushion-Mount Plus Plate Mounting Tape E1120H, Tan, 18 in x 25 yd, 20 mil, 7000042749
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
3M 99632, Scotch-Weld Pressure Fit/High Temperature Retaining Compound RT48, Green, 50 mL Bottle, 7010367443, 10/case
3M 64324, Foil Tape 3340, Silver, 72 mm x 45.7 m, 3.9 mil, 7010335734
3M 05579, Cloth Belt 577F, 80 YF-weight, 2 in x 48 in, Film-lok, Single-flex, 7010308379, 50 per case
3M 11000, Roloc Disc 361F, 24 YF-weight, TR, 2 in, Die R200P, 7000028183
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
Dynabrade 15101 Tension Arm (for Mini Dynafile II)
3M 17083, Versaflo Hood with Integrated Head Suspension, S-433L-5, Medium/Large, 7000029981, 5 EA/Case
3M 94738, Cubitron ll Cloth Belt 947A, 120+ X-weight, 6 in x 48 in, Film-lok, Single-flex, 7010299911, 20 per case
3M 47192, Polyurethane Adhesive Sealant 550FC Fast Cure, White, 600 mL Sausage Pack, 7100198000, 12/Case
3M 85393, Cloth Belt 777F, P120 YF-weight, 2 in x 48 in, Film-lok, L-flex, 7000118464, 50 per case
3M 28214, Cubitron II Roloc Disc 984F, 60+ YF-weight, TR, 2 in, Die R200P, 7010361116 
