Great Stuff Big Gap Filler Insulating Foam Sealant

GREAT STUFF™ Big Gap Filler

Now with the SMART DISPENSER™!

 
 
 

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

 
 
 
 
 
 

Air-Seal Audit Checklist

 
 
 

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

Check Out Our Great Stuff™ Line Up
 
 
 

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.

Download User Safety Information Download Consumer Safety Information Renseignements Sur La Sécurité Du Produit GreatS tuffmc Pour Le Consommateur Sur LaS écurité Du Produit Mousse D'étanchéité Isolante Great Stuff Promc
 
 
 

What Project Do You Want To Start?

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

Sealing rim joists and sill plates

Did you know that you can save money on energy just by sealing rim joists and sill plates? Find out how to do it with Great Stuff Insulating Foam Sealants.

Sealing rim joists and sill plates
Read more
Sealing pipe penetrations

Learn how to use Great Stuff spray foam insulation to seal pipe penetrations and prevent air leakage from gaps around pipes in your home.

Sealing pipe penetrations
Read more
Sealing HVAC ducts and pipe penetrations

Did you know that you can save money on energy just by sealing rim joists and sill plates? Find out how to do it with Great Stuff Insulating Foam Sealants.

Sealing HVAC ducts and pipe penetrations
Read more
 
 
 

Ready to go shopping?

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

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