3M Fire Barrier Pillows - 2" x 4" x 9"

3M Fire Barrier Pillows - 2" x 4" x 9"

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Fire Barrier Pillows work great by filling openings, spaces, and gaps in walls, ceilings, and floors to provide a barricade to stop fire, smoke and harmful gases from passing.

The 3M™ Fire Barrier Pillow expands when heated to press and seal together to form a fire-rated divider.

  • UL 910 flammability tested (3 hour fire rating by Underwriters Laboratory)
  • UL Listed systems up to 540 sp. in. opening.
  • ASTM 814 (UL1479) tested
  • Designed to meet NEC, NFPA, SBCCI, BOCA and ICBO building codes.

*Graphite free and no wire mesh.

-3M Fire Barrier Pillow has been tested in accordance with ASTM E 84.

Density: 6 PCF (nominal)
Heat Expansion Begins: 392°F (200°C)
Significant Expansion Begins: 536°F (280°C)
Volume Expansion: 18% (calculated)