GREAT STUFF™
Big Gap Filler

THE BIG GAP ERASER

When you find a gap or crack that’s a real monster — up to 3" — GREAT STUFF™ Big Gap Filler is the stuff.

This formulation:

  • Forms a long lasting, weather-tight seal to keep out unwanted air 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.
  • Can be used inside or outside a home.

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.
1*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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Got a lot of GREAT STUFF™ projects?

HOW TO USE GREAT STUFF™ BIG GAP FILLER

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

VIEW STEP-BY-STEP INSTRUCTIONS
VIEW HOW-TO VIDEOS 
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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?

Find out more about GREAT STUFF PRO™ Gasket for your building needs.