The Pond & Stone Sealant is a 12 oz container of advanced polyurethane foam designed for stonework. This expandable black foam fills gaps and ensures efficient water flow over rocks.

• Expandable black foam for versatile applications
• Dries in minutes for quick use
• 12 oz container for easy application
• Designed for sealing ponds and stone surfaces
• Provides waterproof protection against leaks
• Resistant to weather and moisture for long-lasting durability