Sikaflex Asphalt Sealant is a durable and flexible sealant for filling cracks in asphalt. Some common applications include; driveways, roadways, pavements, aprons and joint sealing. It self-levels, reducing the number of tools needed to complete your project and cures to a matte black finish to blend with existing asphalt. Sikaflex Asphalt Sealant is a premium grade, 1 component, self-leveling, elastomeric hybrid sealant. It can be used to fill cracks in asphalt substrates up to 1.5 In. wide with no tooling required.