Seal the deal with Sikaflex! 🛠️ Once cured, it withstands water exposure—perfect for outdoor projects. Meets rigorous standards (ASTM C-920) for both amateur and professional use. Bridges gaps up to 1.5 inches wide, ensuring a long-lasting seal. Easily paintable, stainable, and sandable for a seamless finish. No need for manual tooling—just apply and let it flow! Waterproof No tooling needed Fast curing Sikaflex Self Leveling Sealant is a high-performance polyurethane sealant designed for sealing horizontal expansion joints in concrete. With a 10.1 fl. oz cartridge, it features self-leveling technology, requires no tooling, and is waterproof once cured. This sealant bridges gaps up to 1.5 inches wide and is paintable, making it ideal for both amateur and professional applications.