Firestop Caulk & Sealant

  • Sale! Sale!
    2026_05_21_452449
    STI AS205 Elastomeric FireStop Construction Joint Spray BLUE (5 gal. Pail)
    Original price was: $251.90.Current price is: $62.97. Add to cart
  • Sale! Sale!
    2026_05_21_451496
    STI Firestop LCI300 LCI Intumescent Firestop Sealant RED (10oz Tube)
    Original price was: $11.69.Current price is: $3.50. Add to cart
  • Sale! Sale!
    2026_05_21_451523
    STI Firestop LCI320 LCI Intumescent Firestop Sealant RED (20oz Sausage Tube)
    Original price was: $15.28.Current price is: $4.58. Add to cart
  • Sale! Sale!
    2026_05_21_451919
    STI FT305R Fast Tack Weather Resistant Firestop Spray (5 gal. Pail)
    Original price was: $495.00.Current price is: $99.00. Add to cart