Sika offers a range of crack repair products designed for various applications. These products are designed to address various crack repair needs, from structural to non-structural and from dry to damp conditions. Sikadur®-20 Crack Seal is a two-component, solvent-free epoxy resin designed for sealing non-structural cracks and cavities in concrete. It features low viscosity and semi-elastic properties, allowing it to penetrate and seal cracks effectively. With high adhesive strength and no shrin