The 3M Fire Barrier Pillows are a self-contained highly intumescent product designed to firestop a wide variety of through-penetrations including cable trays (up to two per opening), conduit and blank openings, which penetrate fire-rated construction.
During a fire, 3M Fire Barrier Pillows intumesce (expand) and lock themselves into place, completely surrounding the penetrant(s) stopping smoke, fire and toxic gases from spreading to the next room or next floor for the rated time period. They are easy to install and great for retrofit project. Just remove and replace pillows as needed.Benefits:
- No wire mesh needed
- Up to 3 hour UL Listed systems
- UL Listed systems up to a 540 sq. in. opening
- No graphite
- Excellent aging properties