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

per page
Set Descending Direction
  1. SmokeBlock
    STI Firestop SmokeBlock
    As low as $5.83
  2. Composite Sheet
    STI Firestop Composite Sheet
    As low as $159.48
  3. Intumescent Plug
    STI Firestop Intumescent Plug
    As low as $32.62
  4. Ready® Sleeve
    STI Firestop Ready® Sleeve
    As low as $33.17
  5. Caulk Guns
    STI Firestop Caulk Guns
    As low as $8.73

26 Items

per page
Set Descending Direction