STI SpecSeal SSS Intumescent Firestop Sealant - 20 oz Sausage
PARTSTISSS120
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About this item
SpecSeal® SSS Firestop Sealant is a premium grade water-based Intumescent firestop sealant. SpecSeal® SSS Sealant incorporates our proprietary two-stage intumescent technology making it the go to choice for any combustible or non-combustible penetrants. As little as a 1/2″ applied depth of SSS Sealant is required to provide up to a 4 Hr Fire resistance rating when tested to ASTM E814/UL 1479.
Features
Patented Two-Stage Intumescent Technology
Easily works into tight spaces between penetrants
Compatible with CPVC Piping
Can be sanded and painted to match its surroundings
Used in over 500 through-penetration UL® Tested Systems
Water-based - easy installation, cleanup, and disposal
Two-stage intumescence - extremely fast and directionalized expansion
Endothermic fillers - absorb heat & release water
High solids formula - minimal shrinkage
Sandable & paintable (when dry)
Water-resistant - will not re-emulsify when dry
Safe for contact with plastics
Red color - easy identification and inspection
Multi-viscosity grade - excellent caulking properties along with high build capabilities