Liquid Steel is designed to be injected into concrete cracks to repair and prep cement surfaces for decorative coatings. This two-component epoxy resin is packaged in a side-by-side cartridge that provides point-of-use application to save time, material and minimize health hazards. Crack repair should only be done by a professional. Self-leveling, high strength, low viscosity, fast set resin. Most suitable for hairline cracks in horizontal surfaces.