- Intumescent: Expands in all directions for a tough, tight seal
- Reinstallable: for easy retrofitting of cables
- Single Side Application: Makes installation easy for tough access openings
- Intumescent Coated: on all sides for faster expansion and easier installation
- Heat-Sealed Poly Cover: Protects core and makes pillows slide in and out with ease
- Superior Air leakage Ratings
- Broad Base of Tested System
- UL Classified and FM Approved
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