GREAT STUFF™ Big Gap Filler Insulating Foam Sealant

An expanding polyurethane insulating and sealing foam.

Used In

  • Fills, seals and insulates gaps up to 3 inches
  • Interior or exterior use
  • Exceptional adhesion to wood, drywall, masonry, glass and most plastics

Product Advantages

  • Expands approximately three times more than GREAT STUFF™ Gaps & Cracks but fills gaps up to 3 inches
  • Expands to take the shape of cracks and voids
  • Forms an airtight, water-resistant bond that eliminates unwanted airflow and helps reduce condensation
  • Outperforms latex products
  • Tack-free in 10-15 minutes*
  • Trims in 60 minutes

*70 ± 5 °F and 50 ± 5 %RH, 1 inch bead diameter, 6 inch length.
Cure rate is dependent on temperature, humidity, and size of foam bead.

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