STI SpecSeal® Triple S® Intumescent Sealant Tube

• Two-stage intumescence process is extremely fast acting and effective, providing an excellent smoke seal.
• Adheres to all common construction surfaces, which means that you can carry just one fire retardant sealant to many jobs.
• Thanks to its water-insoluble active ingredients, the sealant will not re-emulsify once dry - moisture won't damage your work.

• Water-based compound is easy to clean, use for installs and dispose of.
• Two-stage intumescence technology is able to quickly expand in all directions.
• Safe because it has low VOC's and contains no solvents or halogens.
• Acoustically tested for superior sound-proofing capabilities
• Its innovative, low-shrinkage composition is safe on plastics, does not contain PCB's or asbestos, and remains flexible even when dry to allow normal pipe movement.
• Once dry, you can sand and paint the sealant to match the environment.
• Provides up to a 4 hour rating when tested to the rigorous requirements of UL 1479 (ASTM E 814); UL 2079 and FM approved.
• The red color allows you to quickly identify any missed areas and easily inspect the work.
• Excellent seal for safety from not just fire and gasses, but smoke as well.
• Warranted against defects by STI
• Proudly made in the USA

Applications:

• Small to medium opening in all common construction
• Medium to large openings in concrete floors and walls
• Medium to large openings in gypsum walls
• Pipes (steel, iron, copper, metallic, plastic, PVC, CPVC, PVDF, PEX, PEX-AL-PEX, ABS, PB)
• Cable, cable trays, and bus duct
• HVAC ductwork
• Insulated pipes
• Complete wood floor fire stopping package for electrical, plumbing, HVAC, TV and telephone
• Plumbing
• Mechanical
• Electrical
• Datacom
• Combustible Penetrants
• Noncombustible Penetrants
• Construction Gaps