STI Firestop

Specseal Latex Endothermic Sealant

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SpecSealĀ® LC 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.
More Information
Manufacturer STI Firestop
Weight 0lb
Product Sheet (228.91 kB)
Safety Sheet (102.47 kB)
Installer Friendly, easily applied with standard caulking gun

Can be troweled on for larger applications

Tested for up to 4 Hours of fire resistance when tested to ASTM E1966/UL2079, ASTM E814/UL1479, and CAN/ULC-S115

Listed in over 80 ULĀ® Tested Firestop Systems!