Great Stuff Pro™ Gaps & Cracks Fireblock Foam Sealant, 24oz, Full Case (12 cans)

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Great Stuff Pro™ Gaps & Cracks Fireblock Foam, 24oz, Full Case (12/Twelve Cans)

GREAT STUFF PRO™ Gaps & Cracks is an insulating foam sealant, easily identified by its bright orange color is a minimal-expanding, single-component polyurethane foam sealant for general purpose building envelope air sealing. It has led the way in the industry by being the first foam sealant to be recognized as a Fireblock, which means it resists the free passage of flames to other areas of the building through concealed spaces.

Please note: This listing is for twelve (12) PRO cans of GREAT STUFF PRO™ Gaps & Cracks that attach to a professional foam gun (sold separately).

To browse our professional grade Foam Guns, click here to browse our listings. 

Interested in purchasing a complete kit? (Foam, Cleaner & Gun in one!) Click here to browse our complete kit listings.

GREAT STUFF PRO™ Gaps & Cracks features:

  • Expands up to 3 inches to take the shape of cracks and voids, forming an airtight and water-resistant bond to wood, metal, masonry, glass and most plastics
  • Reduces pathways where insects can enter
  • Installs in minutes (tack-free in less than 20 minutes, trims within 30 minutes)
  • Reusable for 30 days when left attached to a professional foam gun
  • Interior/exterior use
  • Paintable, stainable and sandable
  • UL Classified

Shipping: This product can only be shipped within the continental U.S. This product is also available for Pick-Up from our Farmingdale, NJ warehouse. To arrange a pick-up please contact our team via email or phone call for assistance.

Use by Date? - No worries. All of our DuPont™ products are fresh, in sealed cases, straight from DuPont! All products are within 12 months of their best used date; and since we are one of DuPont's premier distributors on the East Coast, we can guarantee you that we have the freshest inventory every time you order

For additional information, any questions or concerns; please contact us via email at:

2 Reviews

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  • 5
    Great product for major gap filling

    Posted by B. Shaw on Mar 12th 2013

    I used this product to fill in gaps along the sides of expanded polystyrene insulation (EPS) that I installed in between the rafters of our home we are remodeling. The foam worked great and set up very quickly.

  • 5
    Best of the fore block foams

    Posted by John Lyon on Sep 14th 2012

    I've used this product for years. My other supplier sells it in the 30 oz. cans which reduces labor a little ( less can changes) if you stock the 30 oz. cans I will buy them from you.