Firestop Pillows, Blocks, Plugs & Composite Sheets

3M™ Fire Barrier Plug PLG4 — Foam plug for firestop pass-through device to block smoke and fire spread.

3M™ Fire Barrier Plug PLG4, 4 in, Maroon, 4/Case

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3M Fire Barrier Composite Sheet CS-195+ — lightweight firestop sheet for complex penetrations

3M™ Fire Barrier Composite Sheet CS-195+

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3M™ Fire Barrier Self-Locking Pillows — Fast and effective re-enterable firestop pillows for large openings.

3M™ Fire Barrier Self-Locking Pillows

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3M Fire Barrier Plug PLG2 – Flexible firestop plug for cable and conduit penetrations

3M™ Fire Barrier Plug PLG2, 2 in, Maroon, 4/Case

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3M Fire Barrier Plastic Pipe Device – Intumescent firestop device for plastic pipe penetrations

3M™ Fire Barrier Pillows

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3M Fire Barrier Electrical Box Inserts – Flexible, one-piece intumescent insert for electrical box fire protection

3M™ Fire Barrier Electrical Box Inserts

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3M™ Fire Barrier Plank PK39 — flexible, re-enterable fire protection for cable tray and multi-penetration applications

3M™ Fire Barrier Block B258, Maroon, 2.36 in x 5.12 in x 8 in, 12/Case

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3M Fire Barrier Pass‑Through Device Round – round, hinged firestop enclosure for cables and pipes

3M™ Fire Barrier Plank PK39, Maroon, 39.37 in x 5.12 in x 2.36 in, 3/Case

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