Great Stuff Big Gap Triple Expanding Foam Sealant
Great Stuff Big Gap Triple Expanding Foam Sealant

Great Stuff Big Gap Triple Expanding Foam Sealant

Great Stuff



Big gaps call for big seals. GREAT STUFF™ Big Gap Filler Insulating Foam Sealant fills, seals and insulates larger gaps, providing a water-resistant barrier to help minimize unwanted airflow and improve energy efficiency in high-loss areas.

  • Expands to fill, seal, and insulate gaps up to 3” (76mm).
  • Forms a long-lasting, airtight, weather-resistant seal