STI SpecSeal SSS Intumescent Firestop Sealant

STI SpecSeal SSS Intumescent Firestop Sealant

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.

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Product Description

SpecSeal SSS Sealant is a latex based, high solids firestop compound. This firestop will effectively seal penetration openings against the spread of fire, smoke, hot gasses and water. SpecSeal SSS Sealant features STI’s patented and proprietary two-stage intumescent technology. When exposed to high temperatures or fire, this material expands aggressively in a highly directionalized fashion to quickly close off voids left by the burning or melting of combustible materials.

  • 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!

STI SpecSeal SSS Intumescent Firestop Sealant Product Data Sheet

STI SpecSeal SSS Intumescent Firestop Sealant Safety Data Sheet

Through Penetrations Sealants Installation Sheet

Joint Sealants Product Estimation Installation Sheet

Through Penetrations Product Estimation Installation Sheet

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