GREAT STUFF™ Big Gap Filler

GREAT STUFF™ Big Gap Filler Insulating Foam Sealant offers the same benefits as GREAT STUFF™ Gaps & Cracks but fills gaps larger than 1 inch. So it's great for creating larger weather-tight seals to stop drafts and keep critters out. Plus, like all GREAT STUFF™ products, it's airtight, paintable, stainable and sand-able. It's polyurethane-based and perfect for all sorts of materials like wood, drywall, metal, masonry, glass and most plastics.

  • Forms a permanent weather-tight seal to minimize drafts and insect infestation
  • Exceptional adhesion to building materials
  • Interior or exterior use
  • Tack free in 10-15 minutes*
  • Trims in 60 minutes
  • Foam elasticity allows for movement/shifting within a structure
  • Paintable, stainable and sandable
  • Cream colored foam
  • Cures rigid
  • All-direction dispensing
  • UL Classified
  • One 12 oz. can = up to 19 tubes of caulk
  • One 16 oz. can = up to 24 tubes of caulk
  • One 20 oz. can = up to 30 tubes of caulk

*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.

GREAT STUFF™ Big Gap Filler  
Why Use GREAT STUFF™ Big Gap Filler?
  • To fill gaps over 1 inch
  • To conserve energy
  • To save money
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Product Specs:
  • GREAT STUFF™ Big Gap Filler 12oz
  • GREAT STUFF™ Big Gap Filler 16oz
  • GREAT STUFF™ Big Gap Filler 20oz
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Safety & Handling
  • Remember to read these carefully before getting started.
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GREAT STUFF™ Big Gap Filler Sales Sheet (English) (821KB)