3M™ Fire Block Foam FB-Foam


Fire Block Foam FB-Foam

Foam-in-place fireblock and draftstop for non-rated residential and commercial construction. Meets ASTM E 84 (mod) Class 1 for smoke spread and flame development and has been evaluated by the UL evaluation report ER9700-01 .
This product is used to help seal, fill, insulate and bond. Also acts as a draftstop to restrict air infiltration. This ready-to-use product expands to more effectively seal penetrations than traditional products that meet the modified ASTM E 814. Not to be used as a firestop in commercial construction.

  • Heat-resistant up to 240° F (115° C)
  • ASTM E 84 Class 1 (modified)
  • Draftstop ― helps reduce air infiltration
  • Thermal insulator and helps reduce air infiltration
  • Ready-to-use (no mixing required)
  • Tack-free in approximately 5 minutes
  • Expands to quickly and effectively seal openings
  • Meets International Building Code (IBC) and International Residential Code (IRC) Fireblocking Requirements
  • Sag-resistant formulation
  • Excellent adhesion—bonds to concrete, brick, metals, wood, plastic and cable jacketing
  • Minimal shrinkage