Our pillows intumesces (expands) and locks itself 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.
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.
3M™ Fire Barrier Self Locking Pillows are based on the design of our 3M™ Fire Barrier Pillows they provide all of the system coverage you have gotten use to plus they provide the added benefits of interlocking strips which allow them to easily be installed in floors and walls and removed quickly when new services are added.
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