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    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.

    26 Items

    Set Descending Direction
    1. SSS INTUMESCENT FIRESTOP SEALANT SPECSEAL STI-FIRE STOP, RED FIRE BLOCK CAULK,
      STI Firestop SSS Intumescent Firestop Sealant, SpecSeal Red Fire Caulk | STI Fire Stop
      As low as $205.99
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    2. Specseal Latex Endothermic Sealant
      STI Firestop Specseal Latex Endothermic Sealant
      As low as $10.72
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    3. SpecSeal LCI300 Intumescent Firestop Sealant | STI FireStop
      STI Firestop SpecSeal LCI300 Intumescent Firestop Sealant | STI FireStop
      As low as $10.99
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    4. BlazeStop WF Intumescent Caulk
      STI Firestop BlazeStop WF Intumescent Caulk
      As low as $7.15
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    5. SpecSeal ES Elastomeric Sealant
      STI Firestop SpecSeal ES Elastomeric Sealant
      As low as $18.81
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    6. Specseal Silicone Sealant
      STI Firestop Specseal Silicone Sealant
      As low as $17.03
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    7. Smoke N Sound Acoustical Sealant
      STI Firestop Smoke N Sound Acoustical Sealant
      As low as $6.88
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    8. SpecSeal Cable Spray - 5 Gallon Pail
      STI Firestop SpecSeal Cable Spray - 5 Gallon Pail
      $278.12
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    9. FastTack Spray 5Gal. Pail
      STI Firestop FastTack Spray 5Gal. Pail
      As low as $439.02
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    10. AS200 Elastomeric Spray 5 Gallon Pails, Red and Blue AS205
      STI Firestop AS200 Elastomeric Spray 5 Gallon Pails, Red and Blue AS205
      As low as $271.23
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    11. SSM Firestop Mortar
      STI Firestop SSM Firestop Mortar
      As low as $91.98
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    12. SmokeBlock
      STI Firestop SmokeBlock
      As low as $5.83
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    13. WSC RESTRAINING COLLAR FOR INTUMESCENT STRIPS, PREFORMED RESTRAINING FIRESTOP COLLARS SPECSEAL
      STI Firestop WSC Preformed Restraining Collars for Trade Size Pipe | STI-FireStop
      As low as $35.00
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    14. SSC SPECSEAL STI-FIRESTOP INTUMESCENT FIRESTOP COLLARS
      STI Firestop SSC Intumescent Firestop Collars, SpecSeal | STI-FireStop
      As low as $18.99
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    15. LCC Intumescent Firestop Collars
      STI Firestop LCC Intumescent Firestop Collars
      As low as $8.15
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    16. Intumescent Wrap Strip
      STI Firestop Intumescent Wrap Strip
      As low as $3.88
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    17. SpeedFlex Track Top Gasket
      STI Firestop SpeedFlex Track Top Gasket
      As low as $618.00
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    18. Intumescent Firestop Pillows
      STI Firestop Intumescent Firestop Pillows
      As low as $12.33
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    19. E-Wrap™ Endothermic Wrap
      STI Firestop E-Wrap™ Endothermic Wrap Price upon request
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    20. Composite Sheet
      STI Firestop Composite Sheet
      As low as $159.48
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    21. Intumescent Plug
      STI Firestop Intumescent Plug
      As low as $32.62
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    22. CID Cast-In Firestop Device
      STI Firestop CID Cast-In Firestop Device
      As low as $23.67
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    23. Ready® Sleeve
      STI Firestop Ready® Sleeve
      As low as $33.17
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    24. Caulk Guns
      STI Firestop Caulk Guns
      As low as $8.73
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    25. Vinyl Warning Label
      Vinyl Warning Label
      $0.55
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    26. Head-of-Wall Joint System
      STI Firestop Head-of-Wall Joint System Price upon request
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