STI Firestop

Intumescent Firestop

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SpecSeal® LCI Firestop Sealant is a water-based intumescent sealant intended for a wide range of through-penetration and construction joint applications. SpecSeal® LCI Sealant has excellent caulking properties making it easy to apply in vertical applications as well as overhead.
More Information
Manufacturer STI Firestop
Weight 2lb
Country of Manufacture
Product Sheet (1.06 MB)
Safety Sheet (102.52 kB)
Gun Grade material available in caulk tubes, sausages and pails

Tested for use in through-penetration and construction joint configurations

Compatible with CPVC Piping

Can be sanded and painted to match its surroundings

Used in over 500 UL® Tested Systems