DAP Touch N Seal Black Spray Foam Sealant for RV, Pond, Waterfall & Landscape - UV Resistant, Class A Fire Rated, Waterproof, Polyurethane Adhesive with Gloves and Foam Gun (Pack of 12)

Perfect for landscaping projects such as ponds and waterfalls, and is harmless to fish and plants. Maintains its color and integrates seamlessly into the surroundings, even under direct sunlight. Adheres rapidly to both porous and non-porous surfaces like rock, stone, cement, wood, and fabric. Effective for securing stones in walls and sealing exterior gaps in foundations, retention walls, and crawlspaces. For optimal performance, apply when temperatures are between 20°F and 120°F and in areas with at least 40% relative humidity; achieves a full cure within 1 hour