3M Fire Barrier Blocks, Plugs, and Planks

3M Fire Barrier Blocks, Plugs, and Planks

3M Fire Barrier Block B258, 3M Fire Barrier Plank PK39, and 3M Fire Barrier Plug PLG2 and PLG4 are smoke, sound, and firestopping pre-formed foam units for medium to large openings in wall and floor through-penetrations. Simple to use. During a fire, product maintains a tight firestop against smoke and flame.

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Product Description

Applications

Typical applications include: blank openings, metal pipes, cables, cable trays, insulated pipes, combination penetrations, and open conduits through concrete floor/wall and gypsum wall board assemblies.  

Features

  • Re-enterable/repairable
  • Fully reusable
  • Easy to install — saves time and labor
  • Paintable with primer
  • No cure time  

3M Fire Barrier Block, Plug, and Plank Technical Data Sheet

3M Fire Barrier Block, Plug, and Plank Safety Data Sheet