Specifically designed to help quickly and easily build beautiful water features, this polyurethane foam expands to fill gaps and cracks to help direct water to flow over the rocks in a waterfall, rather than under and in between.

 

HERE'S WHAT MAKES GREAT STUFF™ POND & STONE GREAT:

  • Is black in color to blend in with stones and shadows
  • Bonds without mortar
  • Helps direct water over, not under, rocks
  • Creates a water-shedding bond for stone, rock, masonry, concrete and other building materials
  • Safe for ornamental fish and plants
  • Lasts for years in wet conditions
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It's easy to work with because it:

  • All-direction dispensing
  • Can be applied to damp and dry surfaces
  • Cures in 8 hours1
  • Is UL Classified

Great Stuff™ Pond & Stone Smart Dispenser