Skip to Primary Navigation Skip to Site Navigation Skip to Main Content All Site Map

3M™ Fire Barrier Mortar

3M(TM) Fire Barrier Mortar 
Product Color(s):Off-White with Dark FlecksOff-White with Dark Flecks

Additional Product Size (SKU) Information:

3M™ Fire Barrier Mortar

Product Information:

Lightweight firestop with excellent adhesion bonds to concrete, metals, wood, plastic and cable jacketing. Variable mix ratio - permits self-leveling and no-sag application consistencies.

Additional Information
Re-enterable - no power tools needed. Bonds to itself - proven prior to and during fire testing. Pumpability - allows faster installation. Greater resistance to common concrete poisons than PC-bound products. Contains no asbestos.

Product Document Downloads:

PDF 3M Fire Barrier Mortar - Data Sheet (PDF 279.8 K)
View additional product-related literature

Key Features:

  • Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479) &CAN/ULC S115
  • UL-listed systems
  • Excellent adhesion (bonds to concrete, metals, wood, plastic and cable jacketing)
  • Halogen-free formula
  • Water clean up

  • Typical Applications:

    Typically used to seal mechanical and electrical service penetrations, blank openings and other large annular spaces in fire-resistance rated wall and floor assemblies with ratings up to 3 hours. Note: Not intended to be load bearing. For penetrations subject to foot traffic, consult a structural engineer for support requirements.

    Contact 3M Fire Protection Products

    For questions or help finding the right solution, contact an expert at 1-800-328-1687 option 7.

    Contact Fire Protection Products