Latex Intumescent Sealant
The Original and Still The Best Multi-Purpose Firestopping Solution.
How do you choose the right firestopping sealant? When the measuring stick is product performance, versatility, ease of application, and shear breadth of tested systems, SpecSeal® Series SSS Intumescent Firestop Sealant has been and remains the reigning champion of industrial-strength firestopping sealants!
Unmatched Performance: Triple S reacts to heat using our patented and proprietary two-stage intumescent technology to expand rapidly to close off the path of smoke and hot gasses ahead of the advancing fire. Using active ingredients that are insoluble in water assures performance that is unaffected by humidity or moisture.
Triple S adheres to all common construction surfaces and dries to form a tough yet flexible water-resistant seal that can be sanded and painted to match its surroundings if so desired. As little as 1/2″ is required to provide up to a 4 hour rating when tested to the rigorous requirements of UL 1479 (ASTM E 814).
Unmatched Versatility: Whether your applications are plumbing and mechanical or electrical and datacom, utilizing combustible or noncombustible penetrants… Triple S can do the job!
Tested & Proven: With over 200 powerful Classified Systems, Triple S can handle virtually anything that job site conditions can dish out.
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