STI Firestop

SpecSeal ES Elastomeric Sealant

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SpecSeal® ES Sealant is a latex-based gun grade elastomeric firestop sealant designed for construction joint applications. Once cured, ES Sealant forms a flexible shield against the passage fire and smoke. In dynamic joint conditions, ES Sealant is tested to accommodate up to 25% compression/extension of the installed joint width.
More Information
Manufacturer STI Firestop
Product Sheet (451.80 kB)
Safety Sheet (107.70 kB)
Highly elastomeric gun grade sealant

Tested for up to 4 Hour fire resistance rating when tested to ASTM E1966/UL 2079.

Can be sanded and painted to match its surroundings

Listed in over 45 UL® Tested Construction Joint Systems