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Dow Great Stuff

12-Ounce Gaps And Cracks Insulating Foam Sealant

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* Estimated stock levels as of Sun, Sep 15, 2019. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.

  • It sprays right into gaps and cracks up to 1” (25mm) in diameter.
  • It expands to fill the shape of the gaps.
  • It forms a long-lasting, airtight, water-resistant seal.
  • It helps keep insects, moisture/condensation and allergens out.
  • Adheres to wood, metal, masonry, glass and most plastics.
  • You can use it indoors or outdoors.
  • It dries rigid and is tack-free within 5-15 minutes.
  • You can scrape away any excess after 8 hours.
  • Foam elasticity allows movement and shifting within a structure.
  • It's cream colored so you can see where it is.
  • You can paint, stain or sand it.
  • It's UL classified.


Our GREAT STUFF™ Gaps & Cracks Insulating Foam Sealant attacks air leaks with a vengeance:

* 70 ± 5°F and 50 ± 5 % RH, 1 in bead diameter, 6 in length. * Trims in one hour. Cure rate is dependent on temperature, humidity, and size of foam bead.


Color Cream
Size 12 oz
Type Multipurpose Sealant