STI Firestop

STI leads the industry in developing innovative fire protection systems that help stop the spread of fire, smoke and hot gases. For over 25 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems.

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Sealants and Adhesives

  1. Intumescent Firestop Red Fire Caulk
    STI Firestop Intumescent Firestop Red Fire Caulk $15.78
  2. Specseal Latex Endothermic Sealant
    STI Firestop Specseal Latex Endothermic Sealant $10.72
  3. Intumescent Wrap Strip
    STI Firestop Intumescent Wrap Strip $3.88
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Sprays and Collars

  1. FastTack Spray 5Gal. Pail
    STI Firestop FastTack Spray 5Gal. Pail $439.02
  2. Elastomeric Spray 5Gal. Pail
    STI Firestop Elastomeric Spray 5Gal. Pail $271.23
  3. SpecSeal Cable Spray - 5 Gallon Pail
    STI Firestop SpecSeal Cable Spray - 5 Gallon Pail $278.12
  4. Smoke N Sound Acoustical Sealant
    STI Firestop Smoke N Sound Acoustical Sealant $6.88

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