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3M has been creating innovative fire stop systems for more than 25 years. Our complete line of fire protection products can help stop the spread of fire, smoke and toxic fumes. They’re easy to install and are approved for a wide variety of fire stop applications by Underwriter’s Laboratories, Factory Mutual and Omega Point Laboratories.

In fact, we’re the only manufacturer that can provide fully tested systems to fire stop all of these scenarios:

  • Through penetrations
  • Perimeter joints
  • Fire resistive joints
  • Structural steel
  • Emergency circuitry
  • Grease/air ducts

Fire Stopping Products

3M™ Fire Barrier Moldable Putty+
3M™ Fire Barrier Moldable Putty+ is designed for use as a one-part, 100% solids intumescent firestop that restores the integrity of fire-rated building construction.