SIKA Sikaflex Crack Flex Sealant, Gray, High-Performance Textured Polyurethane, Self-Leveling, Waterproof Sealant for Horizontal Cracks Up to 1 in Wide, 10.1 fl oz,

Customers find the sealant works well on concrete patios and fills cracks effectively. The product levels nicely and dries quickly, with one customer noting it doesn't mold or fade. While some customers consider it worth the extra money, others find it expensive. The sealing performance receives mixed feedback, with some praising its tight seal while others report issues with the rear cap not sealing properly.