Great Stuff Pro™
Gaps & Cracks
Insulating Foam Sealant

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

  • DOW Great Stuff Pro – Gaps & Cracks Insulating Foam Sealant

Product Overview

By air sealing homes with GREAT STUFF PRO™ Gaps & Cracks, you’ll be providing a valuable service for your customers, helping to seal out energy loss, lower energy bills and provide a more comfortable home. GREAT STUFF PRO™ Gaps & Cracks is a gun-applied, expanding spray foam sealant for use all around the home. It is also recognized as a fireblock sealant.

Key Benefits

  • Ideal for gaps and penetrations up to 3" (75 mm)
  • 20 oz. can, designed to work with Pro 14 Dispensing Gun
  • Recognized as a fireblock sealant**. It’s Orange colored for easy recognition.
  • Expands to form airtight and water-resistant seal
  • Bonds to wood, metal, masonry, glass and most plastics
  • Repels and deflects water


  • Quick cure time (tack-free in 3-10 minutes, trims in 60 minutes)
  • Cost-effective: 24 oz (680 g) can equivalent up to 22 quart tubes of caulk; 30 oz (850 g) can up to 33 quart tubes of caulk
  • Easy clean-up with GREAT STUFF PRO™ Gun Cleaner

Product ID

  • 00341557

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