ABSTRACT : Use of industrial and agricultural waste products such as (sisal, flax, glass fiber and Carpet wastes fiber). materials in concrete is not only improves the strength of concrete but, also leads to the proper disposal of these materials, resulting in reducing impact of these materials on environment. Fiber admix can effectively improve the mechanical properties of concrete. Utilization of recycled fibers from post-consumer, industrial waste and agricultural waste offer some benefits such as waste reduction, resource conservation, also low-cost materials and reduced need for land filling. Concrete is a tension weak building material, which is often cracked not ridden in plastic and hardened states, drying shrinkage and so on, low tensile strength limited ductility and resistance to cracking. In order to improve attempt has been made to study the effect of these materials on ordinary Portland cement concrete. In the experimental work, glass fibers, sisal, flax and waste fiber in different percentage (0.5%, 1% and 2 %) has been added .The mechanical properties of concrete ware carried out (compressive strength test for 234 cubes, flexural strength test for 39 beams and indirect tensile strength test for 39 cylinders). The results showed improvement in mechanical and durability of concrete with glass fibers and waste fiber by a valuable degree.