International Fireproof Technology Inc.
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INSS1440 Fire Barrier Caulking

CFS01 Mortar

SSCI-X Firestop Collar

US110 Fire Barrier Foam


INSS2460 Fire Barrier Silicone Sealant

FB01-15 Fireproof Blanket

INFS0812 Intumescent Strip

US150 Fire Barrier Foam


FM012 Firestop Putty

FP05 Coated Firestop Board

FP-02 Firestop Sheet

HITS Intumescent Sheet


FP-04 Firestop Sheet

FM011 Moldable Firestop Putty

INSS1186 Elastomeric FireCaulk

DC310 Cable Coating


ProWrap Blanket

US150 Firestop Brick

INSS0285 Smoke and Acoustic Sealant

Putty Pads


Foil Tape




 FM012 Firestop Putty

FM012 Firestop Putty UL Listed, FM Approved, Intertek Listed

Call For Industry Leading Pricing

FM012 Firestop Putty Pails
FM012 Firestop Putty
FM012 Firestop Putty Sausage Pack
UL, FM, FCIA Member, NCS, CCC Approvals

Test Standards, Codes Compliance

  • ASTM E 814, 2hrs. F and T Rating
  • UL 1479, 2hrs. F and T Rating
    • L Rating at Ambient - Less than 1 cfm/sq. ft.
  • FM Approved
  • ASTM E84 Flame 0 Smoke 25
  • CNS 14514, 3hrs. Class A
  • GB 23864
  • ASTM E662

Types of Applications

Types of Application

System No. C-AJ-7146

System No. C-AJ-7146


FM012 Firestop Putty

FM012 Firestop Putty is an industry leading Elastomeric paste, with fast reacting intumescent properties, designed to seal gaps around through- penetrations and block the passage of flame, toxic fumes and smoke.  FM012 Firestop Putty’s Listed designs offer exceptional performance and use less product, making it more cost effective than other traditional firestop putties.   Read More

Technical Documents




Specific Density:

Approx. 11.50



VOC (g/l):


Curing Time:

7-14 days

Application Temp:

40° F - 104° F (5° C - 40° C)

Service Temp:

20° to 180°F (-28° to 82°C)

Storage Temperature:

50° F - 86° F (10° - 30° C)

Shelf Life

24 Months


5Kgs/Pail, 20Kgs/Pail/


310 ml/Tube; 25 Tubes/CTN


600 ml/Sausage, 20/CTN