Sikaflex, 10.1 OZ Tube, Crack Flex Sealant, 1 Component, Textured, Self Leveling, Flexible, Premium Grade Polyurethane Sealant For Permanently Sealing Horizontal Cracks, Can Seal Cracks Up To 1" Wide In Concrete & Cementations Slabs Such As Driveways, Steps, Sidewalks, & Garages, Flexibility Allows For The Natural Movement Of The Crack.