Tech Specs

Product information

Pond & Stone with Smart Dispenser™

Ready-to-use and fish-friendly, GREAT STUFF™ Pond & Stone Insulating Foam Sealant expands to fill gaps in decorative materials, helping direct water flow and build beautiful water features with ease.

  • Helps direct water over, not under, rocks
  • Smart Dispenser™ provides precision, control, reusability
  • Can be applied to damp and dry surfaces
  • Black-colored foam blends in with stones and shadows

Pond & Stone Insulating Foam Sealant is a ready-to-use, closed-cell polyurethane foam that bonds to porous and nonporous rocks or stones without the use of mortar. It forms a water-resistant outer coating when cured. Specifically designed to blend in and withstand moist conditions, GREAT STUFF™ Pond & Stone can be used on a variety of projects such as retaining walls, water features and landscaping.