In this contemporary world, an increase in the demand for construction materials leads to major fluctuations and durability is considered as awfully indispensable in the properties of the concrete. This manuscript focus on concrete durability properties assimilates with L9 Taguchi optimization array to distinguish the profound optimal combination in the selected orthogonal array (OA). The parameters utilized in this work such as fly ash-sand, water-cement ratio and sisal fibre with various mixing proposing which inculcates the Taguchi orthogonal array. Experimental outcomes on chemical behaviour properties such asAcetic acid attack and sulphuric acid attack are presented. The experimental outcome shows the behaviour of concrete elements in contact with acetic and sulphuric acids. The experimental data, fabricated test images and graphical representations are displayed with the S/N ratio. The optimum test results are distinguished with better combinations.