Douglas® Truck Tire Tuff™ Conveyor Pulley Lagging delivers increased traction and pulley life over non-lagged pulleys. Increased traction between the pulley face and the belt bottom cover reduces belt slippage and helps improve belt tracking. Vulcanized rubber lagging protects the pulley’s face from wear and extends pulley service life. Lagging is applied in our plant for total quality control.



  • As much as 50% increase in coefficient of friction over non-lagged pulleys  
  • Protects pulley face from wear and extends pulley service life   
  • Herringbone and Diamond Grooves shed water and dirt promoting a self-cleaning effect 
  • Improves Belt Tracking



Lagging offers a critical efficiency boost and long-term protection for your conveyor pulleys. Use vulcanized pulley lagging to keep your conveyor systems running at their best.

Douglas Manufacturing Lagging

Lagging is a high-traction, rubber coating applied to a conveyor pulley. This layer separates the pulley from direct contact with the belt, reducing wear and boosting traction between the pulley-face and belt. 

Lagging plays a key role in the efficient operation of conveyor systems. Well made and properly applied lagging: 

  •  extends the life of the conveyor pulley
  •  shields the conveyor belt from abrasion
  •  increases friction to aid torque transfer

The advantages of lagging make it a no-brainer as an investment in your operation-critical machinery. Lagging can provide up to a 50% increase in coefficient of friction over non-lagged pulleys. It also extends service life considerably, meaning you’ll quickly see a return on investment through increased efficiency and reduced pulley replacement costs.

Vulcanized Lagging

With vulcanized lagging, rubber protects the pulley from wear and extends the life of the pulley. Herringbone and diamond patterns in the grooves shed water and also act as a self-cleaning tool. 

Herringbone grooved lagging offers superior traction and is highly desirable. Each groove acts as an exit path for water and other debris. Herringbone grooved pulleys should be applied in the conveyor in a manner in which the grooves point toward the direction of belt travel. 

Diamond groove lagging also offers great traction and should be used on reversing conveyor travel. 

If no patterns are desired, it should only be used in an environment where assisting in watershed is not necessary. It will still perform other functions, like increased friction and increasing the longevity of the pulley. 

In addition to supplying completely new vulcanized pulley lagging, Douglas Manufacturing also relags and reconditions old pulleys making them look and perform like new.

If you are interested in learning more about vulcanized pulley lagging or other products that Douglas Manufacturing offers, contact us today or call 800-884-0064. All of our products are made in our Pell City, Alabama plant. We are also proud to offer emergency services resulting in lead times of as little as 24 hours for critical situations.

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