Tectorspex 704 INH Reparación R4 is a one-component, thixotropic, fibre-reinforced, shrinkage-compensated, medium modulus of elasticity fibre cement mortar. It contains sulphur- resistant cement and corrosion inhibitors that offer additional protection to the concrete against damaging external agents that can compromise the stability of its structure. This mortar is especially suitable for the repair and structural reconstruction of concrete elements. Tectorspex 704 INH Reparación R4 complies with the requirements of class R4 of UNE EN 1504-3 and principle 7 of UNE EN 1504-9.