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.
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Up to 3-hour fire ratings per ASTM E 814 (UL 1479)
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UL listed systems with openings up to 1,080 sq. in.
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No wire mesh reduces safety issues
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Easy to install, easy to remove and reuse
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Lock pillows together, compress and place (use 3M™ Fire Barrier Moldable Putty+ in voids to ensure proper seal)
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No graphite
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Excellent aging properties
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Pillows can be field-cut when needed
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Available sizes: 2 in. x 4 in. x 9 in. (small), 2 in. x 6 in. x 9 in. (medium) and 3 in. x 6 in. x 9 in. (large)