XtraFoam™FB Expanding Foam is a one-component, multipurpose, polyurethane foam specially formulated to be applied in areas where the wall system requires an ASTM-E84 fire resistance rating. The product can be used to form an insulating barrier to block smoke, gas, drafts, moisture and insects.

XtraFoam™FB’s advanced chemistry ensures excellent adhesion to most substrates, and an excellent water-resistant, airtight seal – as well as outstanding thermal and acoustical insulation. The product contains no CFC’s or HCFC’s, so it is environmentally friendly.

  • Excellent Thermal & Acoustical Insulation
  • Excellent Adhesion on Most Substrates
  • Impedes Spread of Fire and Smoke
  • Fortify Against Smoke and Gas
  • Fire Block Formula
  • ASTM E84


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