SpecSealLC Endothermic Sealant is a latex-based gun grade firestop sealant for construction joints and non-combustible penetrations. After application, LC Sealant cures to form a flexible seal against the propagation of fire. Under fire exposure, LC absorbs heat and release water vapor resisting the progress of smoke and flame.
- UL certified = listed in over 80 UL Tested Firestop systems
- Tested for up to 4 hours of fire resistance = meets ASTM E1966/UL2079, ASTM E814/UL1479, and can/ULC-S115
- Water-based = easy installation, cleanup, and disposal
- Red color = easy identification and inspection
- Endothermic fillers - absorb heat & release water
- Safe, low VOC's, no asbestos, no PCB's, no inorganic fibers
- Installer friendly - excellent caulking properties along with high build capabilities
- Excellent smoke seal
- Flexible
- Non-halogenated
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