THE BIG GAP ERASER

When you find a gap or crack that’s a real monster, GREAT STUFF™ Big Gap Filler is the stuff. GREAT STUFF™ Big Gap Filler Insulating Foam Sealant is a ready-to-use, expanding polyurethane insulating foam sealant that fills, seals and insulates gaps up to 3 inches.

Here's what makes GREAT STUFF™ Big Gap Filler great:

  • Forms a long lasting, weather-tight seal to reduce drafts for greater comfort and lower energy bills
  • Adheres to wood, drywall, metal, masonry, glass and most plastics
  • Has elasticity that allows for movement and shifting within a structure
  • Interior/exterior use.

It's easy to use because it's:

  • All-direction dispensing.
  • Tack-free in 5–15 minutes.1
  • Rigid after it cures and can be trimmed in 60 minutes.
  • Paintable, stainable and sandable.
  • Cream-colored — so you can see it.
  • UL Classified.
  • Available in 12, 16 and 20-oz. cans.

1Skin of cured foam can discolor if exposed to natural light. Paint or coat foam for best results.
2 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 just got GREATER!

No drips, less mess - foam stops where you stop.
Reusable for up to 30 days - use again and again.
Precise, greater control.

DOWN TO THE DETAILS OF GREAT STUFF™ BIG GAP FILLER

Got a lot of GREAT STUFF™
projects on your to-do list?

HOW TO USE GREAT STUFF™ BIG GAP FILLER

Read all instructions and safe handling information before you start. GREAT STUFF™ products should not to be used for filling closed cavities or voids such as behind walls and under tub surrounds.

 

GREAT STUFF™ INSULATING FOAM SEALANTS SAFE HANDLING

For warnings and precautions, disposal information and more, download GREAT STUFF™ Consumer Safety Information or view our safe handling videos.

If you need assistance, contact us. We're always here to help you through any project.

WHAT PROJECT DO YOU WANT TO START?

GREAT STUFF™ Big Gap Filler works in large gaps throughout the home.

Ready to go shopping?

See where you can buy GREAT STUFF™ and GREAT STUFF PRO™ in your neighborhood.

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