3M™ FIRE BARRIER CAST-IN DEVICES  

These fire-stop devices are designed to make fire-stopping through concrete easy and affordable. With models available to accommodate plastic or metallic pipe, 3M™ Fire Barrier Cast-In Devices are installed prior to the concrete pour (attaching directly to the wood forms) and can be adjusted to various concrete depths.
Attach directly to wood forms before concrete is poured, penetrating item is passed through device after the concrete cures. Easily adjustable bodies that can be adapted to concrete height (from 64 mm up to 203 mm) Models available for metallic or non-metallic penetrating items allowing metallic, non- metallic, cables and insulated penetrates. Available in different diameter.