3M Cast-In Devices for Metal and Plastic Pipes

3M Cast-In Devices for Metal and Plastic Pipes

Firestopping pipe through concrete has never been easier, thanks to 3M Fire Barrier Cast-In Devices. This remarkable system adjusts to any height between 2-1/2″ and 8″, and with the 3M Height Adaptor, it can adapt to any depth of concrete pour. It works for both metallic and non-metallic pipe, vented or closed piping  systems, and can firestop for up to three hours. Installation is done before the concrete is poured. The device can be used on flat forms. Or when used in conjunction with the 3M Fluted Metal Deck Adaptor, the device can be attached to a fluted metal deck. Once the concrete cures, the pipe can be passed through.

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Product Description


  • Adapts to any depth of concrete pour.
  • Order as needed, since it adapts to any size.
  • Over ordered for a job? No problem.
    You can use our devices on the next job.
  • Devices for both metal and plastic pipes.
  • One-step firestopping, no need to core drill holes
    and firestop later.
  • Can be used on flat forms or fluted metal decks**.
  • Second to none in speed with 3M’s proprietary
    zip strip.
  • No need to caulk, use plastic pipe devices
    or wrap strips.
  • Up to 3 hour UL listed systems. 

3M Cast-In Devices Brochure

3M Cast-In Devices Safety Data Sheet