Self-contained, highly-intumescent pillows designed to firestop a wide variety of through penetrations including cable trays, conduit and blank openings. Interlocking strips hold pillows securely together yet release easily for retrofit or reuse — just remove and reinstall pillows as needed.
- Up to 3-hour fire ratings per ASTM E 814 (UL 1479)
- UL listed systems with openings up to 1,080 sq. in.
- No wire mesh reduces safety issues
- Easy to install, easy to remove and reuse
- Lock pillows together, compress and place (use 3M Fire Barrier Moldable Putty+ in voids to ensure proper seal)
- No graphite
- Excellent aging properties
- Pillows can be field-cut when needed
- Available sizes: 2″ x 4″ x 9″ (small), 2″ x 6″ x 9″ (medium) and 3″ x 6″ x 9″ (large)