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3M Fire Barrier Pillow FB249 is a self-contained, intumescent firestop pillow designed for new and retrofit through-penetration firestops in concrete floors, masonry walls, and gypsum wallboard assemblies.
Features
Intumescent formula expands when exposed to heat to seal against flame, smoke, and toxic gas
Graphite-free composition
Encased in a tough-woven, weather-resistant outer bag
Self-locking design allows adjacent pillows to interlock
Re-enterable and reusable for cable changes and maintenance
No wire mesh reinforcement required for most applications
Non-conductive for electrical safety in cable tray applications
Specifications
Brand: 3M
Product Name: Fire Barrier Pillow FB249 (Small)
Part Number: FB249
UPC: 051115-16530 (00-051115-16530-0)
Dimensions: 2 in x 4 in x 9 in (50.8 mm x 101.6 mm x 228.6 mm)
Fire Rating: Up to 3 hours
Standards: ASTM E 814 (UL 1479), CAN/ULC-S115, ASTM E 84
Expansion Temperature: > 250°F (121°C)
ECCN: EAR99
Packaging: Case of 24 pillows
Applications
Through-penetration firestops (new and retrofit)
Penetrants: Metallic pipes, cables, cable trays, conduit, and blank openings
