Smart Dispenser Pond & Stone Sealant, 12 Oz – Stone & Rock Foam For Ponds & Landscaping

Presenting the Great Stuff Smart Dispenser Pond & Stone Sealant, a 12 oz can of advanced polyurethane foam tailored for stonework. This ready-to-use formula adheres to both porous and nonporous rocks without mortar, delivering secure fills and solid seals. Its closed-cell structure resists moisture and blends with natural stone, creating a discreet, durable joint for outdoor installations. Ideal for ponds, waterfalls, retaining walls, and landscaping projects, it remains flexible and resilient in wet conditions.

Benefits You'll Value: It fills gaps, blocks water intrusion, and bonds stone surfaces without traditional mortar, speeding up installation. The foam’s moisture resistance helps maintain clean, professional-looking joints over time, even in damp environments. Perfect for enhancing longevity and performance of water features and landscape accents.

• Bonding to both porous and nonporous stone without mortar, enabling quick stonework and reliable rock adhesion.
• Closed-cell polyurethane foam delivers a durable, water-resistant seal ideal for ponds and water features.
• 12 oz Smart Dispenser provides controlled, tidy application and consistent joints.
• Stone-compatible color blending helps joints disappear for natural-looking results.
• Versatile for retaining walls, water gardens, and general landscaping projects.

Why this sealant stands out: Designed to simplify exterior stonework, it delivers a watertight seal without mortar, even in moist climates. The foam expands to fill irregular gaps, cures to a durable finish, and stays flexible to accommodate shifting stone. For ponds, rock features, or dry-stacked walls, this sealant provides long-lasting performance and professional results.