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. Here are five reasons to use the 3M Fire Barrier Pillow: 1. no wire mesh; 2. three hour UL Listed systems; 3. UL Listed systems up to a 540 sq. in. opening; 4. no graphite; 5. excellent aging properties.
Firestop tested for up to 3 hours in accordance with ASTM E 814 (UL 1479)
Intumesces to form a hard char that tightly seals penetrations against flame spread, smoke and toxic gases
No wire mesh required
Graphite-free, does not conduct electricity
UL classified (meets code requirements)
Re-enterable and re-useable for new or retrofit installations
Available in three sizes (use a combination of sizes to fit a variety of openings)
Easy to install
3M™ Fire Barrier Pillows can be used for multiple applications in new or retrofit installations, acting as a through penetration firestop, heat shield and firebreak protection. The pillows are typically used to firestop gypsum wall, block wall and concrete floor assemblies. 3M™ Fire Barrier Pillows are excellent for firestopping blank openings up to 540 sq. in. (3483 sq. cm) or openings penetrated by conduit, cables or cable trays (up to two trays per openings).