What are the best adhesives for repairing cracks in concrete outdoor planters?

Repairing cracks in outdoor concrete planters requires durable, weather-resistant adhesives to ensure long-lasting results. The best options include epoxy adhesives, which provide strong bonding and waterproof properties, making them ideal for harsh outdoor conditions. Polyurethane-based adhesives are another excellent choice, offering flexibility to accommodate temperature changes without cracking. For smaller cracks, acrylic or latex-modified cement patching compounds can be effective, especially when combined with a sealant. Always clean and prepare the surface thoroughly before application to maximize adhesion. For severe damage, consider reinforcing the repair with fiberglass mesh for added strength. Choose a product specifically designed for concrete to ensure optimal performance and longevity.