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International Fireproof Technology FM012 Firestop Putty

FM012 Firestop Putty is an industry leading elastomeric paste, with fast reacting intumescent properties, designed to seal gaps around throughpenetrations 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.

Product Type: Putty

Application Area: Pipes, Wall

Application Method: Gun, Trowel

Features: Excellent Seal Properties, Flexible, High Performance, Low Water Permeability

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Identification & Functionality

Product Type

Features & Benefits

Product Highlights
  • FM012 Firestop Putty is used to protect penetrations such as cable bundles, conduits, metallic pipes, plastic pipes, busways and air ducts with up to a 3-hour fire-resistance rating.
  • FM012 is highly intumescent, offers rapid expansion and high volume char, has excellent elasticity, is easy to install and will not sag in vertical applications.
  • Completely halogen and asbestos-free, it does not contain organic solvents. Meets the intent of LEED® VOC environmental air quality requirements.

Applications & Uses

Application Area
Application Method
Installation Guide
  • Ensure the application area is clean and free of oil, loose dirt, rust or scale and is dry and frost-free.
  • Install the correct depth and compression of forming material, if required, as detailed within the applicable Listed system.
  • Allow for sufficient depth of fill material.
  • Using a caulking gun, trowel or putty knife, apply FM012 into the seams, gaps or voids between the penetrant and edge of annular space.
  • Tool the sealant surface smooth using a putty knife dipped in water, making complete contact with substrates to ensure an airtight/smoke-tight seal.
  • Clean application tools with water.
  • FM012 firestop putty cures by water evaporation.
  • It is not recommended for use in a wet environment.
Types of Applications
  • Metallic pipe
  • Air duct
  • Busway
  • Plastic pipe
  • Cable bundle
  • Cable tray
  • Insulated pipe
  • Multiple penetration

Properties

Specifications
ValueUnitsTest Method / Conditions
Specific Densityapprox. 11.5g/cm³
VOC11.5g/L
Curing time7 - 14days
Application Temperature40 - 104°F
In-Service Temperature-13 to 176°F

Regulatory & Compliance

Technical Details & Test Data

Testing
  • 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
Performance

50+ years HOAC tested.

Packaging & Availability

Packaging
  • 310 ml/Tube; 25 Tubes/CTN
  • 600 ml/Sausage, 20/CTN
  • 5Kgs/Pail, 20Kgs/Pail

Storage & Handling

Storage Temperature
50 - 95 °F
Shelf Life
24 months