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Dow Chemical

12-Ounce Big Gap Filler Insulating Foam Sealant


Please select a store to view pricing and availability.

* Estimated stock levels as of Wed, Sep 18, 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.


All-purpose for filling and completely sealing holes, cracks, gaps and other voids, larger than 1/2 in All directional straw dispensing. Adheres to most surfaces including wood, metal, masonry, glass and most plastics. Permanent, rigid and non-shrinkable.Waterproof/water resistant. Stainable, sandable and paintable. Closed cell, blocks radon gas, limits entrance of pests, dust and allergens; and reduces energy costs by stopping drafts. Moisture cured. 45 minute tack-free time; 8 hour cure time. U.L. Listed. For outside applications paint when cured to protect against UV discoloration. 240° Fahrenheit max temperature for cured foam. 12 oz yields 275 lineal feet in 3/8 in bead; 20 oz yields 460 lineal feet in 3/8 in bead.

  • Big Gap Filler
  • Triple Expanding - Polyurethane
  • Interior/exterior
  • Yellow
  • Size Oz: 12
  • Specifications

    Size 12 oz
    Type Sealant


    Please select a store to view pricing and availability.