Skip to content
BIG FRIGGIN DEALS: One Big Deal. One Day Only. Shop Todays Offer >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 03/01/27.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

STI Firestop

Filters

  • Category

    • Building + Construction items

  • Price

    to

    • Below $100.00 (4) items
    • $100.00 - $200.00 (1) items
    • $200.00 - $300.00 (3) items
    • $300.00 - $400.00 (3) items
    • $400.00 - $500.00 (6) items

1-24 of 24 Products

STI SNS129W Smoke 'N' Sound Acoustical Sealant White 29oz

STI SNS129W Smoke 'N' Sound Acoustical Sealant White 29oz

Item # 7290451

$18.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI WF310 Intumescent Firestop Caulk Red 10.1oz Cartridge, 12PK

STI WF310 Intumescent Firestop Caulk Red 10.1oz Cartridge, 12PK

Item # 7290531

$157.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI SIL305SL Silicone Self-Leveling Firestop Sealant 4.5 Gallon

STI SIL305SL Silicone Self-Leveling Firestop Sealant 4.5 Gallon

Item # 7290696

$1401.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI AS205BR Elastomeric Firestop Spray 5 Gallon Brick Red

STI AS205BR Elastomeric Firestop Spray 5 Gallon Brick Red

Item # 7289951

$351.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES120 Elastomeric Firestop Sealant Blue 20oz Sausage

STI ES120 Elastomeric Firestop Sealant Blue 20oz Sausage

Item # 7290311

$38.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES105 Elastomeric Firestop Sealant 5 Gallon

STI ES105 Elastomeric Firestop Sealant 5 Gallon

Item # 7291031

$462.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI SIL305 Silicone Non-Sag Firestop Sealant Limestone 4.5 Gallon

STI SIL305 Silicone Non-Sag Firestop Sealant Limestone 4.5 Gallon

Item # 7290362

$1092.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES105R Elastomeric Firestop Sealant 5 Gallon Red

STI ES105R Elastomeric Firestop Sealant 5 Gallon Red

Item # 7289601

$428.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI FT305 Fast Tack Firestop Spray 5 Gallon

STI FT305 Fast Tack Firestop Spray 5 Gallon

Item # 7290514

$788.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI LCI305 Intumescent Firestop Sealant Red 5 Gallon

STI LCI305 Intumescent Firestop Sealant Red 5 Gallon

Item # 7290194

$635.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI SFS105 SFS Safing Spray Red 5 gallon

STI SFS105 SFS Safing Spray Red 5 gallon

Item # 7290670

$367.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES100 Elastomeric Firestop Sealant Blue 10.1oz Cartridge, 12PK

STI ES100 Elastomeric Firestop Sealant Blue 10.1oz Cartridge, 12PK

Item # 7289871

$264.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI LCI300 Intumescent Firestop Sealant Red 10.1oz Cartridge, 12PK

STI LCI300 Intumescent Firestop Sealant Red 10.1oz Cartridge, 12PK

Item # 7289783

$253.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI WF305 Intumescent Firestop Caulk Red 5 Gallon

STI WF305 Intumescent Firestop Caulk Red 5 Gallon

Item # 7290602

$414.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES100R Elastomeric Firestop Sealant Red 10.1oz Cartridge, 12PK

STI ES100R Elastomeric Firestop Sealant Red 10.1oz Cartridge, 12PK

Item # 7290434

$264.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI SIL320SL Silicone Self-Leveling Firestop Sealant 20oz Sausage, 12PK

STI SIL320SL Silicone Self-Leveling Firestop Sealant 20oz Sausage, 12PK

Item # 7290215

$846.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES105GL Elastomeric Firestop Sealant 5 Gallon Gray Light

STI ES105GL Elastomeric Firestop Sealant 5 Gallon Gray Light

Item # 7289986

$440.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI AS205 Elastomeric Firestop Spray 5 Gallon Blue

STI AS205 Elastomeric Firestop Spray 5 Gallon Blue

Item # 7290012

$385.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES120BR Elastomeric Firestop Sealant Brick Red 20oz Sausage, 12PK

STI ES120BR Elastomeric Firestop Sealant Brick Red 20oz Sausage, 12PK

Item # 7299949

$409.99
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI FT305R Fast Tack Firestop Spray 5 Gallon Red

STI FT305R Fast Tack Firestop Spray 5 Gallon Red

Item # 7290557

$788.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI WF320 Intumescent Firestop Caulk Red 20oz Sausage

STI WF320 Intumescent Firestop Caulk Red 20oz Sausage

Item # 7290485

$23.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI SIL320 Silicone Non-Sag Firestop Sealant Limestone 20oz Sausage, 12PK

STI SIL320 Silicone Non-Sag Firestop Sealant Limestone 20oz Sausage, 12PK

Item # 7291040

$753.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI ES105W Elastomeric Firestop Sealant 5 Gallon White

STI ES105W Elastomeric Firestop Sealant 5 Gallon White

Item # 7290186

$428.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
STI LCI320 Intumescent Firestop Sealant Red 20oz Sausage

STI LCI320 Intumescent Firestop Sealant Red 20oz Sausage

Item # 7290127

$37.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.