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Great Stuff Big Gap Triple Expanding Foam Sealant

Great Stuff

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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
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