Insulating Foam Sealant

Insulating Foam Sealant

The average home has several gaps and cracks where air and moisture can enter. Air sealing and insulating projects around the home can typically save homeowners up to 30% on home energy costs, according to the Residential Energy Services Network (RESNET). GREAT STUFF™ Gaps & Cracks is a ready-to-use, minimal-expansion insulating foam sealant that expands up to 1 inch to take the shape of gaps, creating a long-lasting, airtight, and water-resistant seal. Use GREAT STUFF™ Gaps & Cracks on rim joists, attic penetrations, dryer vents, pipe penetrations, sill plates, and electrical outlets.


  • Fills, seals, and insulates gaps up to 1”
  • Use for up to 30 days with the SMART DISPENSER™
  • Forms a long-lasting, airtight, weather-resistant seal
  • All-direction dispensing
  • Interior/exterior use
  • Adheres to wood, metal, masonry, glass, and most plastics
  • Tack-free in 5-15 minutes; trims in one hour
  • Cures rigid
  • Paintable, stainable, and sandable
  • Cream-colored foam
  • UL Classified
  • ESR-1961
  • CCMC 13074-L
  • ONE 12 oz can = up to 22 tubes of caulk (=7 quarts of caulk)

To order GREAT STUFF™ Gaps & Cracks call 270-765-2212 or email orders@LentusLLC.com.

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