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.

Dynabrade 57811 3-2/3" W x 7" L Dynabug Orbital Sander, Self-Generated Vacuum, .28 HP, 10,000 RPM, 3/32" Orbit
Dynabrade 78182 3" Dia. Medium DynaBrite Locking-Type Disc, 25/pack
Dynabrade 78034 1-1/2" W x 30" L Medium NWN DynaBrite Belt, 10/pack
3M 60353, Scotch-Brite Light Grinding and Blending Disc, GB-DN, Super Duty A Coarse, TN Quick Change, 7 in, 7100115208
Dynabrade 90374 2" W x 34" L Coarse NWN DynaBrite Premium Belt, 10/pack
Dynabrade 58502 3" W x 4-1/4" L Dynabug II Orbital Sander, Central Vacuum, .15 HP, 10,000 RPM, 3/32" Orbit
Dynabrade 79529 3/4" W x 18" L Premium Medium Plus NWN DynaBrite Belt, 10/pack
Dynabrade 78484 3" Dia. x 1", 1/4-20 Female Center Thread, A/O, 180 Grit, 10-Ply J-DynaCut Cross Pad, 100/pack
Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated
Insize TLP-300H, TOOL PRESETTER (BASIC TYPE), 6928640376443
Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
3M™ 72787, Calibration Kit 529-04-48, Large, 7000052154, 1 EA/Case
Dynabrade 64350 26" W x 36" L (660 mm W x 914 mm L) Metal Capture Downdraft Station, 230 V (AC)
3M 08301, Ultrapro Autobody Sealant, 08301, Tan, 5 oz Tube, 7100142901, 6 per case
Dynabrade 51622 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 35,000 RPM, 3mm Collet
Dynabrade 15420 Dynafile III Abrasive Belt Tool
Dynabrade 51926 Vane Set (4pk)
Dynabrade 11004 Dynafile Screw-In Housing
Dynabrade 54972 Vane Set (5pk)
ACS 1/2 in x 18 in Diamond Metal Bond Belt, 60M/250u
Dynabrade 60052 .1 hp Straight-Line Quick-Change Pencil Grinder, Rear Exhaust, 35,000 RPM, 3/32" Collet
3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
Dynabrade 54705 Rotor/Vane Set
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
ACS Diamond Cloth Belt, CX1250 5/8" X 120" 125U
Standard Abrasives 37446, PSA A/O Disc, 700595, 1-1/2 in x NH, 60, 7010331822 
