FIBELASTIC HYDRO is elastomeric Ettringite mineral based internally crosslinked acriurethane modified Class A4 crack bridging, which can be simply applied by mixing a pre-packed dry-mix ettringite powder with a formulated flexible acriurethane admixture, and subsequent brushing the slurry. It protects a wide range of buildings and structural concrete components with excellent resistance to water, aggressive chemicals, long-term weathering and scratching. It is applicable for those structures subjected to long-term water immersion