3M Fire Barrier Pillows FB269, Medium, 2 in x 6 in x 9 in (Pack of 16)
- Firestop tested for up to 3 hours of protection in accordance with ASTM E 814 (UL 1479).
- Expands to form a hard char that tightly seals against flame spread, smoke and toxic gases.
- Re-enterable and re-useable for new or retrofit installations.
- Graphite-free composition does not conduct electricity.
- No wire mesh required and easy to install, inspect, remove and reuse as needed.
- Excellent aging properties for long-lasting durability and performance.