Cement availability is a major crisis over the world since every nation and people demand housing. Cement is the builder's first choice. Among the various Types of cement, ordinary Portland cement is the best but it is costly both in production and purchase. Composite cements are alternative options to tackling scarcity of cement and are cheaper with no compromise in quality. In Nigeria, there is abundant limestone and so limestone composite cement is readily an adoptable type of composite cement. In this research limestone has been optimized for good quality.