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STI Firestop

Specified Technologies Inc. is a leader in developing innovative fire protection systems, including putty, grommets, and devices, that help stop the spread of fire, smoke, and hot gases. For 30 years, STI has worked alongside the construction industry to invent solutions to complex firestopping problems and challenges. Shop our selection here.

65 Products

SpecSeal LCC FireStop Collar - 4
SKU: SSLCC400.EA*NA
MFR: STI Firestop

In Stock

SpecSeal LCC FireStop Collar - 3
SKU: SSLCC300.EA*NA
MFR: STI Firestop

In Stock

SpecSeal LCC FireStop Collar - 2
SKU: SSLCC200.EA*NA
MFR: STI Firestop

In Stock

SpecSeal LCC FireStop Collar 1-1/2
SKU: SSLCC150.EA*NA
MFR: STI Firestop

In Stock

SpecSeal Intumescent Fire Stop Collar for Plastic Pipe - 6
SKU: SSC600.EA*NA
MFR: STI Firestop

In Stock

SpecSeal Intumescent Fire Stop Collar for Plastic Pipe - 4
SKU: SSC400.EA*NA
MFR: STI Firestop

In Stock

SpecSeal Blu Wrap Strip per Roll
SKU: SSWBLU.RL*NA
MFR: STI Firestop

In Stock

SpecSeal BLU/BLU2 Metal Restraining Collar 25' per Roll
SKU: SSWRC.RL*NA
MFR: STI Firestop

In Stock

SpecSeal RED/RED2 Metal Restraining Collar 25' per Roll
SKU: SSWRC2.RL*NA
MFR: STI Firestop

In Stock

SpecSeal Red2 Wrap Strip per Roll
SKU: SSWRED2.RL*NA
MFR: STI Firestop

In Stock

SpecSeal Red Wrap Strip per Roll
SKU: SSWRED.RL*NA
MFR: STI Firestop

In Stock

SpecSeal Fire Stop Mortar Per 22 Pound Bag
SKU: SSMORTAR.22B*NA
MFR: STI Firestop

In Stock

SpecSeal FireStop Pillow 3 x 6 x 9
SKU: SSB36.EA*NA
MFR: STI Firestop

In Stock

SpecSeal FireStop Pillow 2 x 6 x 9
SKU: SSB26.EA*NA
MFR: STI Firestop

In Stock

SpecSeal FireStop Pillow 2 x 4 x 9
SKU: SSB24.EA*NA
MFR: STI Firestop

In Stock

SpecSeal FireStop Pillow 1 x 4 x 9
SKU: SSB14.EA*NA
MFR: STI Firestop

In Stock

SpecSeal SSS Intumescent Sealant per 10 Ounce Standard Cartridge
SKU: SSS100.SC*NA
MFR: STI Firestop

In Stock

SpecSeal EP44 Putty Pad 3-3/4 x 3-3/4 x 1/8
SKU: SSEP44.314*NA
MFR: STI Firestop

In Stock

SpecSeal Silicone Joint Sealant per 4.5 Gallon Unit
SKU: SSPEN305.4+U*NA
MFR: STI Firestop

In Stock

SpecSeal Composite Sheet Assembly 36 x 36
SKU: SSCS3636.EA*NA
MFR: STI Firestop

In Stock

SpecSeal BlazeStop WF Intumescent Sealant per 5 Gallon Pail
SKU: SSWF305.5P*NA
MFR: STI Firestop

In Stock

SpecSeal Series 33 EZ Path Device
SKU: SSEZD33FWS.EA*NA
MFR: STI Firestop

In Stock

SpecSeal 4 Firestop Ready Sleeve
SKU: SSFS400.EA*NA
MFR: STI Firestop

In Stock

SpecSeal 1 Firestop Split Sleeve
SKU: SSFSR100.EA*NA
MFR: STI Firestop

In Stock